Her grandmother's journals lived in a tea chest under the bench, wrapped in oilcloth, and Eunhae had not opened the third volume in nine years.

She opened it now, at six o'clock in the morning, with the shop still blue and cold around her and the forty-one clocks ticking in their sleepless chorus. She had not slept. She had not expected to. She had come in from Dawnbridge as the sky paled, and washed her face at the little iron sink in the back, and stood for a long time looking at the dark circles under her own eyes, thinking about a woman on a pharmacy floor with her arms around a frightened boy. Then she had knelt, and pulled out the tea chest, and taken out the oilcloth bundle with fingers that were not, for once, shaking at all.

That was the thing she could not stop turning over. It was the second morning in a row that her hands had been steady. After thirty-six months of tremor, of counting to forty and waiting for the thrum to ebb, it was as though somebody had reached into her and loosened a wire. She had stood in a pharmacy at one in the morning and held back a Hushed that should have crushed her, and Haeseul had been four feet away, and Eunhae had felt a strange, warm, wholly unprecedented pressure against her back, as though a door had been propped open behind her and she was no longer fighting the dark alone.

She did not know what to call it. That was a lie. She knew exactly what to call it. She had known since the moment the woman walked into the old man's grief and took his hands.

The journal was bound in green cloth gone black at the corners. Her grandmother's handwriting ran across the first page in sharp, upright, uncompromising strokes, the hand of a woman who had written the same entry in the same ink every morning for fifty years. Ongjo had been small and square and sharp-tongued, with white hair she cut herself and a laugh like a shovel striking gravel. She had also been the finest Keeper the district had ever had. Eunhae turned the pages slowly. The entries had the flat, practical cadence of a ship's log. Moon: waning. Hushed: four on the east quay, one at the fishmonger's, a heavy one in the old schoolhouse. Garam resting well. Slept three hours. Not enough.

She found what she was looking for on the thirty-first page.

On the anchor. A Keeper cannot hold the dark alone. This is the thing no one will tell you, and it is the reason my mother died at fifty-one and her mother at forty-eight. The count is not enough. The count is only the voice. Underneath the voice there must be a ground to stand on, and the ground is a person.

Eunhae read the paragraph through once, and then again, with her finger moving beneath the lines.

An anchor is not a helper and not a servant. An anchor is a vessel. It is someone who can carry a grief without being broken by it, who can hold the weight of the dark and let it pass through without sticking. Such people are rare. They cannot be made. They are found, and when you find one you will know, because the Hushed will not touch them, and because they will do what no one should be able to do. They will walk into the thing and not drown.

The Keeper borrows the anchor's rest. This is the whole of the art. The Keeper's strength is spent in the holding, and the anchor lends her their quiet in return, a little at a time, as one lends water to a traveler. And there is a price, and I will write it plain, because I was not told, and I have paid it in another woman's face every morning for thirty years. The price is sleep. What is lent is not returned.

Below that, in a smaller, more cramped hand, written afterward, was another line.

Choose carefully. And choose someone whose nights are already empty. They will not miss what is borrowed.

Eunhae sat back on her heels.

The shop ticked around her. Gray light was seeping through the front window and creeping along the floorboards, over the brass and the glass and the long bench. She thought of the violet shadows under the woman's eyes, and the fraying cuff she kept turning out of sight, and the way she had said, in the pharmacy, that she was afraid of the electricity bill and the fish market on Mondays but never of someone who was hurting. Nobody who slept well said a thing like that.

Haeseul's nights were empty. They had been empty, she suspected, for years. Not out of any peculiarity of body, but because she had spent so long holding the weight of other people's pain that she had never once put her own down. She would not miss what was borrowed. She had nothing left to lose.

It was the most cruel and the most perfect fit that Eunhae had ever seen in her life, and she knew then, kneeling on the floor with her grandmother's handwriting in her lap, exactly what she was going to do.

She was not going to tell her.

Not that part. Not the hollow, awful arithmetic of it. She would tell her what she was, and what the dark was, and what the new moon did, and she would tell her that it cost her something, that it would be tiring, that she could stop whenever she liked. She would not say that the cost was permanent. She would not say that the woman who had stood on the stair of the cafe for ten years, who poured tea for the whole district and could not close her own eyes at night, was the proof. She would not say that she had read the note about the empty nights, and understood it, and felt a clean, sharp wave of relief that it was written there, because relief meant that somewhere, beneath the horror, she was already thinking of using it.

That was the thing she could not bear. She was not deciding whether to hide it. She had already decided. She was only deciding whether she could live with herself afterward.

She shut the journal. She wrapped it in oilcloth and put it back in the tea chest and put the chest back under the bench, and then she got up and went to the workbench and took up the little Swiss movement that she had laid out across a square of green felt the day before. It was a good piece of work. It had been made by someone who loved the thing they made. The mainspring had cracked, and a pinion had worn, and the whole delicate arrangement was choked with three years of stopped time. She worked on it all through the morning, and into the afternoon, with her loupe screwed in and her breath held and her mind, mercifully, gone quiet, and a little after two she set the last screw, and wound the crown, and listened.

It ticked.

It was a small sound, light and precise and almost shy, like a bird testing a branch. Eunhae sat very still and listened to it go. Then she put the watch down on the felt, and covered her mouth with her hand, and wept for a minute, silently, without knowing exactly why.

Haeseul came at five.

Eunhae had known she would. She had been listening for the bell since three. She had swept the floor, and wiped the bench, and put the kettle on the little ring in the back, and then taken it off again, and when the time came she was standing in the middle of the shop with her hands behind her back, as stiff as a schoolgirl at an exam.

The door opened. Haeseul stood in the frame with the late light behind her and a canvas bag in one arm. She had come straight from the apartment, by the look of it, with her hair tied loosely and her coat unbuttoned and her face still creased from the pillow, and Eunhae had the absurd, sudden, unwise thought that she had never seen anything so beautiful in her life.

"I brought food," Haeseul said.

"I see that."

"You said you would eat. I did not trust you to be honest about it." She lifted the bag. "Rolled rice, and some pickled radish, and a thermos of barley tea. I did not know what you liked. I am afraid I took a guess."

Eunhae stared at her. It was not a thing she was used to. She had lived for so long among people who came to the shop to be helped, or to ask for help, or to grieve, that to have somebody come in carrying lunch was nearly beyond her.

"Thank you," she said, and it came out hoarse.

"Is that the watch?"

"Yes."

Haeseul put the bag down on the bench. She did it carefully, and she did not come closer, though her eyes had gone to the green felt, and to the small, bright, living thing that lay ticking on it. For a moment her face was entirely naked. Eunhae looked away from it, because it seemed a kind of trespass to watch.

"Would you like to hold it?" Eunhae said.

"Yes." It was barely a breath. "Please."

She picked it up. Her fingers shook, a very little, and she held it against her palm with the other hand cupped over it, as if it were a live coal. The second hand swept in its tiny circle. Tick. Tick. Tick. And Haeseul bent her head, so that her hair fell forward over her face, and her shoulders went still.

"It is running," she said.

"Yes."

"She would have..." Her voice broke, and mended, and broke again. "She would have been so pleased. It was the one thing she asked me for at the end. She kept saying, my watch, where is my watch, and I kept telling her it was on her wrist, and she did not believe me." A short, wet laugh. "She did not believe me. She wanted to hear it tick."

Eunhae did not say anything. There was nothing in the language that was the right size. She stood a pace away with her hands at her sides, and let her be, and counted the ticks.

After a while Haeseul wiped her eyes with the heel of her hand and looked up. She was smiling, in the raw lopsided way of a person who has wept and is faintly embarrassed about it, and she held out the watch so that Eunhae could see the little white face with its steady hands.

"Thank you," she said. "I mean that. I do not know how much it costs, and I know you will not tell me, but I will find out, I will."

"It cost nothing."

"That is not true."

"It cost me nothing I was not glad to give."

Haeseul looked at her for a long moment. Then she pressed the watch to her heart, briefly, and slid it onto her wrist, and fastened the strap with a small, practiced twist, and Eunhae watched the leather settle against the pulse as if it had been made for that place.

"Right," Haeseul said, and drew a breath, and squared her shoulders, and for the first time Eunhae saw the pharmacist in her, the brisk, kind, immovable woman who stood between the sick and their fear. "I have said a great deal of foolish things tonight. I do not intend to say any more of them. You said you would tell me. I should like to hear it now, please, from the beginning, and I should like to eat while I do. Is there a place to sit?"

They sat on the floor of the back room, because there were no chairs.

It was a small, bare room above the workshop with a sloping ceiling and a skylight that let in a slab of afternoon sun. A narrow bed stood against one wall, made with military neatness, and a shelf of books against the other. On the floor, in the light, Haeseul laid out the rice rolls on a clean handkerchief, and unscrewed the thermos, and poured the barley tea into two chipped enamel cups, and handed one across without comment. Eunhae took it. She had not realized how hungry she was until the first mouthful. She ate four rolls in a row, without speaking, under Haeseul's gravely approving eye.

"Good," said Haeseul, when she had finished. "Now. Talk."

So Eunhae did.

She told it plainly, because she did not know how to do anything else. She told her about the Hushed, the leftover sorrow that gathered in the dark and took the shape of whatever it had been when it was a person, the grieving mother, the drowned fisherman, the old man who had lost a wife, and how they could not be killed or banished, only quieted. She told her about the Keepers, a line of women in her family reaching back further than anyone had written down, who stood at the edge of the night with a watch and a voice and did the one thing that could be done. She told her about the lunar cycle, how the dark of the moon thinned the veil and let the Hushed come in numbers, how a Keeper's strength rose and fell with the tide.

She did not tell her about the cost. She told her that it was tiring. She did not tell her it was permanent. She said that her grandmother had died doing it, and that her own hands had begun to shake, and that she had been without help for three years since the person who used to hold the ground for her could no longer do it.

"Garam," said Haeseul quietly.

Eunhae looked up sharply.

"The woman at the cafe." Haeseul had drawn her knees up and wrapped her arms around them. She was watching Eunhae with the same steady, intent, unflinching gaze she had turned on the old man in the shop. "She has the saddest eyes I have ever seen on a person who smiles that much. And she has not slept in years. I could tell from across the room. It is my profession." A pause. "It was her, wasn't it? She was your anchor."

"Yes." It was out before Eunhae could soften it. "And my grandmother's."

"And it cost her."

"It cost her a great deal."

"What, precisely?"

It was the question. It sat in the middle of the room between them like an unlit lamp. Eunhae looked down at her tea and felt the old cold clench in her chest, and heard, quite distinctly, her grandmother's voice, choose carefully.

"Rest," she said. "It takes rest. It is tiring, Haeseul. It is like running a long way. You would feel it afterward. You would be exhausted for a day or two, and then you would recover."

She said it steadily. She did not blink. And she watched the words go into Haeseul like a pin into a cushion, and sink without trace, and she thought, I have just lied to the best person I have ever met.

"Is that all?" said Haeseul.

"That is all I know to tell you."

It was technically true. It was the most cowardly sentence she had ever spoken.

Haeseul sat looking at her for a very long moment. The sunlight had moved. It lay in a golden square across her knees, lighting the dark edge of her hair and the fine line between her brows, and the silver ring on her right hand turned, once, in a slow half circle.

"You are leaving something out," she said.

Eunhae's heart lurched.

"I do not mean that you are lying," Haeseul went on, mildly. "I only mean that you have the look of a woman choosing her words with tongs. I have seen it on doctors. It is always followed by a dose adjustment." A small, crooked, faintly weary smile. "I will not press you. It is your business, and I am a stranger. But I would like it noted that I am not stupid."

"I never thought you were."

"Good. Then we understand each other." She uncurled, and sat up, and set her cup down on the boards. "Show me."

"Show you?"

"What it is. What you need from me." She held out her hand, palm up, on her knee. It was a plain hand, long-fingered and narrow, the nails cut short, with a small white scar on the heel where a vial had once shattered. "I am a practical person. I would rather feel the thing than listen to a description of it. You may ask me before you touch me, as a courtesy. And you may stop the instant I say."

Eunhae did not move. She was acutely, absurdly conscious of the room, the quiet, the warmth of the sun on her shoulder and the faint metallic tick of the pocket watch in her breast pocket and her own pulse, which seemed suddenly very loud.

"May I?" she said, and her voice was nearly gone.

"Yes."

She took out the watch. She laid it in the open hand, with the lid raised and the pale face turned up to the skylight. And then, very slowly, as one might touch a sleeping bird, she laid her own palm over Haeseul's, and the watch lay between them, ticking, in the pocket of their two hands.

She felt it at once. It went through her like a drop of warm water falling into a cold cup. There was a click, almost audible, a latch giving way somewhere deep, and then a quiet, golden, impossibly smooth flood, the sensation of a heavy door swinging open on a lit room. It was rest. It was pure, deep, unclouded rest, the kind of rest she had last known at the age of twenty-one, lying in her grandmother's bed with the shutters closed. It rose through her arm and into her chest and loosened every knot in her body, one by one, and she heard herself make a tiny sound, a sigh, a half gasp, in the back of her throat.

"Oh," she said.

Then she saw Haeseul's face.

It had gone gray. The color had drained out of it as though a plug had been pulled, and the pupils had spread wide, and she was sitting rigid, with her free hand clenched in the fold of her coat. Her lips were parted. She was breathing in short, shallow, frightened sips, like a swimmer who has been pulled under and has just broken the surface.

"Haeseul!"

She snatched her hand back. The watch fell and rolled across the boards with a clatter. For an instant they were both frozen, with the golden warmth still ebbing out of Eunhae's veins and a hollow, scraped, sickening emptiness opening in its place, and then Haeseul bent forward over her own knees, with her arms wrapped around her ribs, and began to shake.

"I am sorry," Eunhae said, "I am so sorry, I took too much, I did not know..." She had half risen. She was reaching, and she remembered, and her hands fell back. She sat there, with her palms open, helpless. "Tell me what to do."

"It is all right." The words came out in pieces. "Give me a moment."

"Haeseul..."

"I said give me a moment." The voice was harsh, and then, almost at once, softened. "Sorry. I am not angry. I just... it is as if somebody had reached in and... and taken the bottom out of my chest." She laughed, an unsteady, gasping little laugh, and put the heel of her hand against her forehead. "I did not expect that. I do not know what I expected. It was very quick."

Eunhae got up and went to the shelf and filled a cup, and she put it into Haeseul's hand and closed the fingers around it, in a manner that was entirely forbidden by the terms under negotiation, and Haeseul did not seem to notice. She sat down again, close, near enough to catch her if she fell.

"It was like being emptied," Haeseul said. She sipped the water. Slowly, slowly, a little color crept back into her cheeks. "But it was not frightening, really. That is the odd part. It was only... very strange. And at the very end, just before I pulled away, I felt you."

"Felt me?"

"As though I were standing in a very cold room, and somebody had lit a fire in it." Her eyes lifted to Eunhae's, dark and uncertain and full of a kind of wonder. "You were warm. For a moment you were all warm."

Eunhae could not answer. Something in her chest was moving, painfully, like a limb that has been numb and is coming back to life. She looked at the woman in front of her, at the gray lips and the damp forehead, at the courage that had made her hold out her hand to a stranger and say, show me, and she felt a wave of self-loathing so intense that for a moment she thought she would be sick.

"That was far too much," she said. "I will not do that again without asking. I am sorry. I will be more careful."

"It is all right." Haeseul smiled faintly. "It was only a minute. Imagine a whole night of it."

"You should not have to."

"I think I should like to understand what I would be agreeing to." She said it simply. She leaned back against the wall and shut her eyes for a moment, and the sun lay across her face, and Eunhae saw the shadows under her eyes go a shade deeper, as if some of what had been taken from her were visible there. "I am not saying yes. I want that to be very clear. I am a person who makes decisions with her eyes open. But I would like to know one thing."

"Anything."

"Why me?"

The question was so quiet, and so direct, that Eunhae felt it land beneath her ribs like a thrown stone. She thought of the tea chest, and the journal, and the line that said choose someone whose nights are already empty. She thought of a stranger in a blue sweater in the wind. She thought of the whole cold, shabby, secret history of it, the eleven years, the five mended buttons, the drawer she had shut before Haeseul came, and she knew that none of it could be said.

"Because you did not run," she said.

It was true. It was not the whole truth. It was the single clean piece of it that she could offer in good conscience, and she held it out like a cup.

"When it came into the shop, the first night. When it came tonight. Everyone runs, Haeseul. They go cold and they run, or they freeze. You walked toward it. Both times." She drew a breath. "I have been alone with this for a very long time. I did not know there was anyone who could stand beside it. I did not think I would meet that person in a pharmacy."

Haeseul opened her eyes. For a time she did not speak. A thread of silver light from the skylight lay across her cheek, and her expression was one that Eunhae could not read, grave and searching and so tender that it frightened her.

"I will think about it," said Haeseul at last.

"That is all I ask."

"I mean properly. I will go home, and I will not be romantic about it, and I will write it all down in columns." A flicker of humor, thin and exhausted and heartbreakingly kind. "And then I shall come back, and I shall tell you my conditions. I warn you, I have a great many."

"I would expect nothing less," said Eunhae, and found that, for the first time in the whole terrible afternoon, her mouth was smiling.

Haeseul stood. She did it slowly, with a hand on the wall, and Eunhae rose too and did not touch her. She collected the handkerchief and the thermos and slung the bag over her shoulder, and when she reached the top of the stairs she paused, a small straight figure against the light, with her mother's watch gleaming on her wrist.

"Eunhae."

"Yes?"

"Thank you for telling me the truth." A pause. She did not turn around. "As much as you could."

Then she went down. Eunhae heard her cross the shop, heard the bell, heard the door swing, and the footsteps fade into the street. She stood on the bare boards of the back room with the empty cups at her feet and the sun going orange in the skylight, and the words went on echoing in her head, as much as you could, as much as you could, until she was sick with them.

She sat down on the narrow bed. She put her face in her hands.

She did not know how long she sat there. When she lifted her head the light had gone, and the room was dim and quiet and smelled faintly of barley tea, and she realized that she was listening, with her whole body, for a bell that was not going to ring. She wanted her back. It was a plain, naked, unbearable want, and it had nothing at all to do with the dark, or the moon, or the Hushed, or the cost. It was only that for ten minutes there had been another person in this room, and the room had been warm.

She looked at the tea cup on the boards. She looked at the sloping ceiling, and the shelf of books, and the skylight that framed a square of deepening violet.

There was something on the roof of the building opposite.

She did not see it at first. It was a smudge against the darkening sky, a thickening in the evening air that might have been a trick of the glass. But as she watched, it lengthened. It drew itself upward out of the chimney pots, tall and gaunt and slender, bent at the neck, a vast, patient, listening shape the color of wet slate. It stood on the ridge of the roof with its head turned toward the window of the back room, and it did not move.

It was a Hushed. It was a very large one. And it was not looking at her.

Eunhae rose. She crossed the room without a sound and stood at the glass, and followed the line of its attention down the empty street to where, at the corner by the fishmonger's, a small figure in an oatmeal coat was walking away, with a bag on her shoulder and a watch on her wrist, and no idea at all that she was being watched.

"No," Eunhae whispered.

The shape on the roof did not stir. But the air around it trembled, very faintly, as water does when something heavy is dropped into it a long way down.

Two nights, she thought. Two nights until the new moon. And already they knew.