They found the mirror-man in the reeds below the Pale Bridge, and they brought him up the wet road to Greyhollow with an iron cage hammered over his head. It had rained all that week, a needle-rain off the marsh, and the stones of the keep wept black, and the soldiers swore the bridge had been singing in the dark — a low, patient song, like a man singing to keep his courage up. Captain Thomas Bradshaw received the party at the inner gate with his scarred hand resting on his sword-belt, and he looked at the cage, and his gut turned over like a fish in shallow water.

The cage was built to the man's own measurements. That was the first wrongness. The blacksmith had beaten it out wide and patient, with a faceplate curved to the bones of a face the blacksmith had never laid eyes on, and in the rain-light the bars glistened like ribs.

“Take it off,” Thomas said.

A guard stepped forward. “Captain, when we put it on him, he laughed.”

“Then he is a brave man or a fool,” said Thomas, “and we will know which before the bell.” He nodded, and the guard went at the rivets with a chisel, and the cage came off in two iron halves, and the man inside stood blinking in the rain with his wet hair plastered to his skull and his hands bound in rank rope. He did not lift his head. Thomas felt a shameful relief, because he did not want to see the face he half expected.

“Your name,” Thomas said.

“I have no name that you would find useful.” The voice was soft, country-flattened, full of gravel and the patience of a long silence. “Men in cages lose their names, Captain. It is one of the few courtesies.”

“You will give a name to Lord Everard, or you will give it to the rope.”

“Then I pray you are standing under the bridge when I do,” said the man, “for the bridge hears everything said above it, and it remembers. It is the one true clerk in this keep.” He lifted his head, and Thomas saw the face, and the face was his own face gone grey and old — the same long jaw, the same deep-set eyes, the same scar, a pale bridge of skin, running across the left hand where it hung in its ropes.

Thomas's scarred right hand flew up like a ward against a blow. A small sound left him, a wind of breath. The guards saw nothing strange in the prisoner's face; they cuffed him and hauled him toward the tower stairs. But Silas Coyle, Thomas's second in command, looked at his captain with a queer, knowing pity, and something passed between the two men that had no name yet.

Lord Everard Pemberton was a bull of a man gone to tallow, with a face like an old stone arch and the same dead patience. He sat in the great hall with the rain arguing at the high windows, and he had the mirror-man brought before him in chains, and he asked his questions. The prisoner refused every name and every confession and gave back only riddles.

“Send him down the steps to the river,” said Lord Everard, “unless they can rope a treason out of him by morning.”

“My lord,” said Thomas, “I will take his measure myself tonight. Give me the night with him.”

“You have never once failed me, Bradshaw,” said Lord Everard, and it was not a kindness but a hook, set and baited. “You killed the boy when I asked you to kill the boy. This is a lesser thing. A drowning, not a burning.”

The hall went quiet. Everyone in the hall had heard the song of that night, the night of the boy Edmund who had been the true heir, and no one looked at Thomas. Thomas looked at the flagstones.

But the prisoner looked at him, and the prisoner said, “You held the rope yourself, they whisper. You held it, and your hand is burned. Ah, Captain. The river does not burn. Only love burns. Only the boy.”

“Take him down,” said Thomas.

That night he went to his chamber, and no one walked with him, and his hand burned in the dark. Fifteen years, and the memory had never come to him clean. He had been a young soldier on the Pale Bridge in the rain, and Lord Everard had given him a boy of seventeen with his hands bound, and he had done as he was bid. He remembered the rope, the weight, the splash like a stone dropped in a well. He remembered being sick in the rushes afterward, and when he had looked up the water was flat and empty and the bridge was singing that low song, and he had not asked where the body had gone, because a good servant does not ask.

He had looked at his hand instead, and there it was, the scar in the shape of a small pale bridge between his thumb and his forefinger. Some said it was the rope. Some said the boy had bitten him. Thomas never kept the story straight, and it had grown in him like a thing planted, until the scar was not a wound but a fact, as much himself as the length of his stride or the grey in his beard.

Margaret was waiting at the stair-head with a candle. In fifteen years she had learned to wait, and she had made a silence of herself in which Thomas could hide, and he had hidden there like a child behind a curtain. She was a woman of the marsh country, grey-eyed, with a way of standing so still that men confessed for company. She held up the candle and looked at him, and he saw that she had been crying, or that she had decided to cry soon, and that the tears were of a patient, particular kind.

“You've seen him,” she said.

“I've seen a madman from the reeds.”

“You've seen the boy,” she said. “You've seen the thing you made of yourself, Tom, and he has come back over the bridge to be looked at.”

Thomas set his teeth. “Edmund is dead. I held the rope myself. I will not recite the service.”

“You held the rope and you were sick in the rushes before it was done,” Margaret said, quietly, without cruelty. “I knowed it then, and I know it now. A wife sees what a soldier cannot. Tom, you never looked at the water after. The body got up, or the water gave it back a spirit, and the spirit has walked the world these fifteen years to find you.”

The words had a terrible formal shape, like a psalm or a sentence. Thomas shook his head. “You're talking witch-talk.”

“I'm talking the truth of the bridge,” she said. “The bridge keeps account. It has kept account of you since the night they made you a keeper, and now the account is due, and it is standing in your own keep, wearing your own face and your own hand.” She took his scarred hand and kissed the pale bridge of the scar, the way a woman kisses a child's hurt, and there was in her a love that would not give him up to the water, a love beyond reason or record. “You will have to decide, Tom. Which one of you crosses. That's all. That's the whole of it.”

At midnight the bell was slow and wet. Silas Coyle came to Thomas in the armory, where Thomas stood with his sword half drawn, making himself study the edge. Silas closed the door behind him, and the candle shivered.

“I've betrayed you,” Silas said. “Every night this past week I've carried word to Lord Everard of the dreams you shout in your sleep. I did it for silver, and I'll tell you that plain. But I tell you this too, because the prisoner is not the boy. He is a glassman.”

Thomas turned. “A what?”

“There is a sorcerer in the marsh country,” Silas said, “a woman they call the Widow Shears, or a man they call by no name at all. They make things out of water and the self-accusation a man carries in him. They make a mirror in the shape of a man, and they set the mirror before a guilty man, and the mirror gives the guilt a face, and the guilty man can look at himself at last, or look away forever.”

Silas's voice dropped. “Lord Everard knows what you carry, Tom. He has always known. He sent the glassman up the Roman road for you. He aims to put your own face on the scaffold, make you cut yourself down at the bridge, and bury the truth of the boy with you in one confession.”

Thomas stood a long time. “Then it is a thing of witchery.”

“It is a thing of your own hand,” said Silas, and took his leave through the dark.

The tower cell was below the waterline. Water stood an inch deep on the flags, cold as a coin, and the prisoner sat against the wall in his chains with his torn hands loose in his lap. The pale scar on his left hand was the same scar Thomas wore, the same pale bridge between thumb and forefinger, and grief rose in Thomas like a flooded well.

“Who are you?” Thomas whispered.

“Who are you?” said the mirror-man.

“I am Thomas Bradshaw. Captain of this keep. Fifteen years a faithful servant.”

“Ah,” said the mirror-man, with pity. “So that is the name you give the clerk. Thomas Bradshaw, keeper of the bridge, faithful servant of a false lord, who took a boy of seventeen to the Pale Bridge and held the rope while the boy drowned, and never saw the body, because he was too busy being sick in the rushes.” In the candle-light the face was Thomas's own, and the voice was Thomas's own, and the eyes were the eyes of Thomas's worst hour. “The water remembers the boy, Thomas. The bridge remembers. It held him under, and it has held him up at once, all these years. That is what a bridge is — a thing that keeps two shores joined and will not let either shore forget the other.”

Thomas's sword shook in his hand. “You are not me.”

“I am the part of you that stayed under the bridge,” said the mirror-man. “You carried the record. I carried the death. I am the honest half, Thomas. You have been the lie, walking above the water, and I have been the truth, walking beneath it, and the bridge has held us both for fifteen years.”

“End it,” Thomas said. “Tell me how to end it.”

“Fate does not end,” said the mirror-man. “Fate is not a thing you finish. It is a thing you become. A man cannot walk around his fate, Tom. He can only stop walking and turn to face it.”

Thomas stood. His hand burned; the scar was hot as a horseshoe. He lowered the sword.

“I carried you all this way,” he said, “and I never knew I was carrying you.”

“You knew,” said the mirror-man. “You slept beside a wife who knew. You looked at your hand every morning and you knew. The knowing was the bridge, Tom. It was always the bridge.”

Dawn came up grey through the high windows, and the bell rang, and the courtyard filled with faces. Lord Everard stood at the top of the keep steps with his hands folded over the hilt of his sword, and the mirror-man was brought out in chains to walk the Pale Bridge to the gallows on the far bank. Thomas walked behind him with his scarred hand held at his side.

At the head of the bridge, Thomas stopped. He turned to the crowd in the courtyard, and he turned to Lord Everard, and he felt the weight of fifteen years lift off his shoulders like a wet cloak unpinned at last.

“The prisoner is not the boy,” Thomas said, clear into the wet air. “I am the boy's death. I have carried him in my hand all these years, and I will carry him no farther.”

Lord Everard's face grayed like old stone. “Captain Bradshaw, you will do your duty.”

“Your duty,” said Thomas, “made a liar of me. I was a boy myself when you sent me to the bridge, and I spent my life hiding my hand from the truth in it. But the truth has risen from the reeds, my lord. The truth has my face, and it is patient, and it is done waiting.”

He looked at the mirror-man. “Let him go.”

“He is a wizard's thing,” said Lord Everard. “He is a shape of the water.”

“He is the shape of me,” said Thomas. “And I am done walking above him.”

He drew his sword, and the mirror-man lifted his chained hands, and Thomas took the chains in his bare fist and cut them. The mirror-man stood free. And in that moment the scar on Thomas's right hand opened like a gate.

The pale scar ran like water, like a crack in a dry riverbed, up the back of his hand and over his wrist and up the sleeve of his arm. He was becoming the bridge — no, he had always been the bridge, and the truth of it was standing up in him at last. Thomas walked to the center of the Pale Bridge and turned in the rain, and the stones glowed beneath him, pale as bone, pale as his own hand, and the country folk gathering in the ditch began to murmur and kneel, for the bridge was no longer stone.

“Tom!” Margaret's voice came high and clear across the water.

He looked at her, his grey-eyed marsh wife, the woman who had slept beside his lie for fifteen years and loved him past all reason of it, and he smiled. “The account is paid,” he said. “The bridge has me now.”

He felt the mirror-man dissolve behind him like mist coming apart in a current, and he felt the missing half of himself come home. It was not pain. It was the sound a locked door makes when the key turns at last. His right hand was no longer a hand; it was the arch of the bridge, curved and patient, spanning the dark water, and his body was the span and his bones the stones, and the pale scar of fifteen years was no longer a wound but a road.

By the time the soldiers came with their ropes and their orders, the Pale Bridge was a man. Anyone could see it who looked: the arch of the shoulders, the stride of the span, the patient face of the water below. Lord Everard stood on the near bank with his mouth open in a wet O, and the country folk in the ditch went down on their knees, because a thing that had been a lie all those years was at last a thing that could be crossed.

Margaret walked out onto the bridge, and the bridge took her weight gently, span-steady, holding like a pair of arms. She knelt at the center, at the keystone, and laid her hand flat on the pale stone that had been her husband's hand.

“Thou art done walking,” she said. “Thou art home.”

The rain stopped.

The bridge never sang again. It simply stood — the way a man stands at the head of his own gate — waiting, holding the two shores together, faithful to the last: the keeper and the crossing, the man and the bridge, one thing at last.