The notice from the Registry Office arrived on a Tuesday, in a stiff cream envelope with the city seal embossed on the flap.

Sienna opened it standing at the counter of her flat on Calloway Street with a piece of dry toast in one hand. A Notice of Intended Marriage, in duplicate. A courteous paragraph informed both parties that the notice must be signed by each of them and lodged at the Registry Office on Gull Square before noon on Wednesday, if the ceremony was to proceed on the date requested. The date requested was the second Saturday of October. She had chosen it herself, in a long bright room full of model ships, and she realized, reading the paragraph twice, that some small stubborn part of her had spent nine days behaving as though the date might simply fail to arrive.

It would arrive. Everything was arriving.

The nine days since the Bellandi dinner had gone by in a blur of ordinary work and extraordinary arithmetic. By day she ran assays in the basement lab and let Nell fuss at her about the shadows under her eyes. By night she sat at the kitchen table with the Divergence Log open in front of her and a pot of black tea she tested before every cup, and she wrote down everything that did not match. The sideboard that had been bare. The card under the white ribbon. The way Dario Vance's eyes had gone cold for one second on the word chosen. The way Helena Roux had looked at her across a dark hallway with something that was almost fear.

Matteo had telephoned twice. Both times he had used the number she alone possessed, and both times the call had been brief: had she eaten, did she need anything from the house. Both times he had ended it first, softly, as though he were afraid of keeping her too long. She had not yet decided what to make of that. It was easier to make nothing of it and file it under things that did not match.

She folded the notice into a manila folder, signed her own copy in blue-black ink, and decided to carry it to the quay herself. It would be simpler than waiting for a courier, and simpler than waiting for her own nerve to fail.

As it happened, the lab sent her home early. The mass spectrometer died at five on Wednesday morning with a sound like a dying kettle, and Dr. Pryce, grey-faced and furious, dismissed the whole shift while he waited for the engineer. By ten past eight Sienna was standing on Saint Brendan's Quay in a cold bright wind, fifty minutes ahead of the nine o'clock hour Matteo's office had given her, with a folder in her hand and no excuse to turn back.

She went in anyway. The quay was already loud, forklifts shrieking, chains running out through blocks, a foreman bellowing somewhere about a missing pallet. In the lobby of the limestone building a young woman at the front desk looked up with a bright professional smile that softened into recognition. "Miss Hale! Mr. Bellandi is expecting you at nine, but I'm sure he'd not mind. Go straight up. I'll let them know."

"Please don't trouble anyone," Sienna said. "I'll wait in the corridor."

The lift was slow. She watched the brass numbers climb and rehearsed what she would say, and what she would not. The doors opened on the ninth floor. The pale carpet swallowed her footsteps. At the far end of the corridor, the door to the long room with the ship models stood a hand's width open, and a thread of voice came through it, low and even and so quiet she nearly mistook it for the hum of the building.

She stopped walking.

She could not have said what made her stop. It was not the words, which she could not yet make out. It was the pitch of the voice, the unhurried, level, almost bored cadence of it, the way a surgeon reads out a list of instruments. She knew that voice. She had heard its cousin ask her, with infinite care, whether she was afraid. This was not that voice. This was what that voice sounded like when it was not talking to her.

She should have knocked. She told herself so afterwards, many times. Instead she moved forward on the soft carpet, one step and then another, until she stood beside the gap in the door with the folder pressed against her chest, and looked in.

The long room was as she remembered it. The worn table. The six chairs. The shelves of glass-cased ships catching the cold morning light, the Maria Luisa in her place with her little label. Marco stood against the far wall with his hands folded, and beside him a thin young man in a dark suit held a notebook against his chest. They stood as furniture stands, still, and neither of them looked at the door.

Matteo sat at the head of the table.

He wore a black suit and a white shirt and no tie. His hands were folded on the wood in front of him, over a single sheet of paper, and his posture was relaxed to the point of indolence, one shoulder against the chair back, as if he had all the time in the world and intended to spend it on this. His face was calm. It was the calmest she had ever seen it. There was nothing in it at all.

On the floor in front of the table, a man was on his knees.

He was somewhere past fifty, heavyset, in a stained work jacket with a foreman's badge pinned crookedly to the lapel. His hair was thin and his scalp was glistening. He had not been struck; she saw that at once, and it surprised her, because her mind had been preparing for it all the way up in the lift. There was no blood. There was no bruise. There was only a big man on his knees on a clean wooden floor, with his hands pressed flat against his thighs to stop them shaking, and a face so wet that it seemed to be melting.

"Please," he said. His voice cracked in the middle. "Mr. Bellandi, sir, please. I've got a wife. I've got a girl at the university."

"I know," said Matteo.

It was said without cruelty. That was the terrible thing. It was said in the same gentle, neutral tone he might have used to confirm an address.

"Get up, Mr. Pell. I don't require it."

The man did not get up. He could not. He swayed on his knees like a tree in a gale, and his mouth opened and closed, and no sound came out of it.

"Then we'll do it this way." Matteo slid the sheet of paper a quarter inch to the left, squaring it against the grain of the table. "Teodor Pell. Foreman, Pier Four, nineteen years with this house. On the fourth of September you received the manifest for the Santa Ilaria, which at that time was known to perhaps six people in this city. On the sixth it was in the hands of men who stopped our trucks on the coast road. They took forty containers. They also took a driver out of his cab and left him in a ditch."

Sienna's hand tightened on the folder.

"His name was Davit Orsini," Matteo said. "He was twenty-three. He had a sister in Carrow who reads him the football scores every Sunday, and she is going to go on reading them for a good while to nobody."

"I never knew they'd hurt anyone," Pell whispered. "I swear on my mother. They said it was only the cargo. They said it was insured. They said..."

"Who said?"

"I don't know." The foreman's whole body heaved. "There was an envelope. In my mailbox, at home. Cash and a note. A typed note. Never a face. Never a name. I swear, sir, I swear to God."

There was a pause. In it, very slightly, Matteo's jaw tightened. It was the smallest movement, a flexing at the hinge, and it vanished almost as soon as it appeared. But Sienna saw it. She saw the way his gaze went past the kneeling man for a fraction of a second, to the window, to the sea, as if something in the answer had shown him a door he had hoped to find locked.

Then his eyes came back, and the face closed over, smooth as water.

"Thank you," he said. "That is useful."

"Then you'll..."

"I'll tell you what I'm going to do." He leaned back slightly. His voice did not rise. "You'll be taken downstairs by Marco, and driven to the north station, and put on the nine-forty to Carrow. You will not return to Marenna Bay. Your pension is void as of this morning. Your name will be struck from the dock registers between here and the border, by telephone, before you reach the platform. Your brother-in-law's lease on Pier Four ends on Friday; he will be told why. And your wife will hear what you did from me, today, in person, so that she does not hear it from a stranger."

Each sentence fell into the quiet and stayed. Pell had stopped weeping. He knelt with his mouth open and stared up at the man at the head of the table with the dazed, blank terror of an animal that has been shown the exact shape of the trap.

"That is all," Matteo said. "It is considerably less than you deserve, and I want you to understand that I know it. I have chosen to be merciful because I have lately had reason to remember what mercy is for. Do not make me regret it."

He lifted two fingers from the table.

Sienna's heel shifted against the floorboard, and the old wood spoke.

It was a tiny sound. A creak, no louder than a sigh. But in the silence of that long bright room it rang. The thin young man's head turned. Marco's eyes snapped to the gap in the door. And at the head of the table, with the two raised fingers still in the air, Matteo Bellandi looked up and met her gaze through the narrow slit.

She had thought she knew his face. She had seen it frightened, tender, wry, gray with poison. She had seen the pale, unreadable mask he wore for strangers. She had not seen this.

For one second, and it was only a second, every expression drained out of it. What remained was a man, plainly, caught: a man who had been standing on one side of a very high wall, and had just seen her on the other. His lips parted. The color left his skin. His hand, still raised, dropped to the table with a small flat sound.

"Marco," he said, and his voice was not steady. "Take Mr. Pell down."

The large man crossed the floor in four strides, and Pell, who had followed Matteo's eyes to the door, looked at her. He looked at her with such a naked, scrabbling hope that her stomach turned over: a woman, a stranger, a person who might be moved, who might speak. His lips shaped a word. She did not know what it was. She did not know what she would have said if it had been addressed to her. She stood in the doorway with a folder against her heart and could not make a single sound.

Marco took the foreman gently under the arm and raised him to his feet as though lifting a sleeping child. The thin young man opened the door the rest of the way and stood aside. They passed her in the corridor, the big man and the shaking one, so close that she smelled sweat and cheap soap and fear. Pell did not look at her again. He looked at his own boots.

The door closed behind them. The latch clicked.

Sienna stood in the doorway of the long bright room, and Matteo stood at the head of the table, and neither of them moved.

It was he who spoke first, and even then it took him a moment.

"You're early," he said.

"The spectrometer broke." Her own voice came out thin. "I brought the registry notice. It has to be lodged by noon."

"Yes."

He rose. He did it slowly, as if the movement hurt, and came around the end of the table with his hands open at his sides. She watched him come. She watched the black suit, and the white shirt, and the signet ring on the right hand that had just, with two lifted fingers, closed every door in a man's life. He moved with the same easy grace she had seen in the ballroom. He looked like a man walking across his own floor.

"That man," he said, "sold a manifest to people who killed a boy of twenty-three. I won't tell you he was wrong to be afraid, and I won't pretend what you saw was anything other than what it was. I don't apologize for it. If you want me to say I'm sorry that you saw it, I am. But I'm not sorry that it was done."

He took another step. And Sienna, without choosing to, without a single conscious thought, stepped back.

It was one pace. Her shoulders touched the frame of the door. The folder pressed against her ribs. She had not meant to do it, and the moment she had done it she knew it could not be undone, because she saw it land.

Matteo stopped.

He stopped so abruptly that it looked as though he had walked into glass. His foot, half lifted, came down on the boards. His open hands drifted a few inches farther from his body, palms out, in the universal gesture of a man who would like very much to be seen as unarmed. All the color that had drained from his face remained gone. A pulse beat in his temple. He did not take another step. He did not so much as shift his weight, and the whole length of the room lay between them.

She understood, with a lurch, that he would stand there all morning if she did not move first. He would stand there until the sun went down. He would have stood there, she thought, with a clarity that frightened her far more than anything she had seen at that table, through anything at all.

"I'm afraid of you," Sienna said.

Her voice trembled on the last word. She hated it. She lifted her chin and made herself finish.

"I wanted you to know that I know it's true. I'm not going to pretend I didn't see. I'm not going to say it was nothing, or that I understand it, or that it's fine. I saw a man ruin another man's life with a sentence, and I didn't hear him raise his voice once."

There was a silence. The wind rattled the long windows. Far below, a ship's horn sounded, deep and mournful, over the working harbor.

Matteo inclined his head, once, slowly, as though she had given him exactly the right change.

"Good," he said.

She stared.

"Stay careful," he said, very quietly. "I mean it, Sienna. If you ever stop being afraid of what I can do, I would like you to tell me, so that I can worry. It's the only thing that has kept me honest." Something moved at the corner of his mouth, not a smile, the ghost of one. "You're allowed to be afraid. You're not allowed to be reckless. I'll ask you for one and I'll never ask you for the other."

It was the most extraordinary thing anyone had ever said to her. She felt it go through her like a note through glass.

"Where did he go?" she asked, because she could not trust herself with what she wanted to ask. "Marco. Where is he taking him?"

"To a train."

"Is he going to be hurt?"

"No." He did not hesitate. "Not by us. Not today. He'll be put on the nine-forty, and a man I trust will ride with him as far as Carrow to make sure he arrives. He'll be alive. He will also be ruined, and he will have a great many years to think about a boy in a ditch." He held her gaze. "I'm telling you this because of clause seven. I'll never lie to you about whether someone is safe. If I can't tell you the truth, I'll tell you I can't."

Clause seven. Neither party shall lie to the other about any matter concerning the other's safety. He had read it in a sunlit room and said he would sign it with his whole heart. She heard it in his voice now, and could not decide whether it made things better or worse.

"The envelope," she said. "The note in his mailbox. You went quiet."

His eyes sharpened. "You noticed that."

"I notice things."

"So I'm learning." He drew a breath. For a moment he looked very tired. "Whoever sent that envelope knew the manifest before it reached Pell's desk. Which means they were close to it. I don't know who. I'd rather you didn't spend your own nights wondering. It's mine to carry."

"Is it dangerous?"

"Yes." A pause. "Which is why I want to say something else, and I want you to take it exactly as it is."

She waited.

"You won't see a thing like that again." He said it slowly, the way a man sets down a heavy object. "Not in this building, not in my house, not anywhere you stand. I can't promise you the world is gentle. I can't promise I'll never do something you'll hate me for. But I'll never again let you walk into a room where I am doing that. I'll lock the door myself, if I have to." His voice dropped. "It is the only promise I will make you that is not written in the contract. I would like you to hold me to it."

The corridor was very quiet. Somewhere below, a door opened and shut. Sienna's heart was beating hard against the folder, hard enough that she thought he must see it through the paper.

She had come here with a document to be signed. She had not expected to be handed a promise on the threshold, by a man who stood a room's length away with his palms open, and looked at her as though everything he had ever wanted had stepped back from him by a single pace.

Something shifted in her chest. It was not trust. It was nowhere near trust. But it was in the same neighborhood, and it frightened her more than the man on his knees had.

"I'll hold you to it," she said.

He let out a breath. It was nearly inaudible. His shoulders came down.

She stepped into the room, slowly, and the distance between them closed in small increments, one pace, two, until she stood at the table's near end, with the long wood between them. She laid the folder on it and opened it with fingers that had begun, absurdly, to shake. He did not come closer. He watched her. She drew out the notice and the pen she had brought, and turned the sheet around so that it faced him.

"It needs your signature," she said. "Here. And here."

He crossed to the table at last. He did it carefully, taking a route that kept the whole table's width between them, and leaned over the page. His pen was the heavy black fountain pen with the gold band. He uncapped it and signed, once, twice, the firm slanted M. Bellandi that she remembered from the contract.

On the second signature, the pen skipped.

It was only a hair's breadth. A tiny hitch in the stroke, a blot of ink at the end of the final letter. She looked at it, and then, without wanting to, at his hand. The knuckles were white. The fingers that had just lifted two calm fingers to send a man away were shaking so badly that he had to press his other hand over them to hold the pen still.

Two men, she thought. Two men in one body, and one of them did not know what to do with her at all.

He saw where she was looking. He did not hide the hand. He lifted it, slowly, turned it palm up, and let her see the tremor, as a man might show a wound he has decided not to lie about.

"It does this," he said. "After."

"Always?"

"Always. It has never once been steady afterwards. I have never wanted it to be."

She did not know what to say. So she said nothing. She took the signed notice from the table, slid it carefully into the folder, and closed it.

"I'll lodge it before noon."

"Marco will drive you."

"I'll take the tram."

"Then Marco will follow the tram." The smile again, faint and strained. "A compromise. I would like to be allowed one."

She almost laughed. It surprised her so much that she turned it into a cough. "Fine," she said. "One."

She went to the door. At the threshold she stopped, with her hand on the cold brass of the handle, and looked back. He stood where she had left him, beside the long table, with the model ships glittering in their cases behind him and the grey light of the morning falling across his face. He looked impossibly alone. He also looked, for the first time since she had met him, exactly like a man who had told her the truth.

"Matteo."

"Yes?"

She did not know what she meant to say. She only knew that she could not walk out of the room without saying something. "Davit Orsini," she said. "Did you go to the funeral?"

He was silent for so long that she thought he would not answer. Then he said, in a voice she could barely hear, "I carried him."

She nodded once. She went out.

The lift was empty. She rode it down with her back against the cool brass wall and her eyes closed and the folder pressed against her chest, and she counted her breath, four, four, six, and it did not help. The doors opened on the lobby and the clatter of the quay came flooding in. She walked out into the wind and stood on the pavement, in the thin gold light, and did not move.

He had not denied it. That was the thing she kept returning to, as the cranes swung slowly across the sky and Marco's black car drew up silently at the kerb and stopped. He had not told her the man deserved his fate and she was naive. He had not told her it was a misunderstanding. He had not tried to make her comfortable. He had stood in the sunlight with his hands open and said I am dangerous, and I would like you to remember it.

In her notebook, that night, she would write a single line in the Divergence Log. Last time, I never saw this. Last time, I only ever saw him kneel on a carpet and beg me to stay awake.

Below it, after a long hesitation, she would add another. He locked the door himself, he said, if he had to.

She did not know what she was supposed to do with a man like that. She did not know whether to run or to stay. But as she walked to the tram stop with the sea wind in her face and the black car sliding along behind her at a respectful distance, she noticed that she was no longer running through the possibilities of how to escape him. She was running through the possibilities of how to understand him.

It was a great deal more frightening than fear.