Chapter 20: The Key in the Dark

The road to the Ardennes was a wound in the earth, carved by centuries of cart wheels and marching feet. Marchand rode alone, the better to think, though Roux had argued against it with the weary stubbornness of a man who had seen too many of his masters die in ditches.

“You are a man the King watches,” Roux had said, tightening the girth of Marchand’s horse. “And the King’s enemies watch what the King watches.”

“Then they will see a supply officer going to inspect his stores,” Marchand had replied. “There is nothing more tedious, nor more harmless.”

Roux had not been persuaded, but he had held the stirrup steady, and that was enough.

The forest closed around him now, thick with the damp breath of autumn. Leaves fallen from the oaks lay like old coins along the path, and the air smelled of woodsmoke and rot. He had been this way once before, in the strange storm that had stolen him from his own time and left him at the gates of a depot that should not exist. He had not returned since. The memory of that day was a thing he kept in a locked drawer of his mind, and he did not open it lightly.

But the key in his pocket was heavier than it should have been. Françoise had given it to him months ago—the key to the depot’s inner room, the one he had sealed with his own hands. She had found it in the belongings of a dead woman, a woman whose name Marchand had never spoken aloud. The cross he now carried at his throat had been hers too. He had told himself he would use the key only when he was ready. He had told himself that day might never come.

Now it had.

The depot appeared between the trees like a memory stepping out of fog. It was a low, slate-roofed building, older than the forest around it, with iron shutters rusted shut and a door that had not been opened in three hundred years—or so it seemed to any man who did not know better. Marchand dismounted, tied his horse to a gnarled ash, and stood before the door with the key in his palm.

The lock was cold. It resisted, as if it too had forgotten its purpose. But the key turned with a click that echoed in the silence of the woods, and the door swung inward on its own weight.

Inside, the depot was exactly as he remembered it: aisles of steel shelving, crates stamped with markings from a world that had never heard of Versailles or the Sun King. Rations in sealed pouches, their labels faded but legible. Coils of wire, bright as new-minted coins. Surgical kits in leather rolls, their steel gleaming under the dust. He had taken so little from this place, and given so much of it away. The quinine had saved a dozen men from the swamp fevers of the Low Countries. The wire had bought him the attention of the King himself. The frog had bought him something else entirely—a warning.

But those were the treasures he had chosen to reveal. The deepest room was different.

He walked the length of the depot, his boots echoing on the stone floor, until he came to the far wall. There was no door here, not to any eye but his. He pressed the heel of his hand against a seam in the masonry, and a section of the wall swung inward, silent as a breath.

The stairs were narrow and steep, and the air grew colder as he descended. He had built this room himself, in the weeks after he first arrived, when he had still believed he might find a way home. He had stored his memories here—his letters, his maps, his photographs, his books. The things that proved his life had been real before the storm.

And one thing more.

The room was lit by a single window, high in the stone, through which the grey light of the autumn afternoon fell like a blessing. The crates were stacked neatly against the walls, dust-sheeted and orderly. But the center of the room was occupied by a table, and on the table lay a box.

Marchand stood before it for a long time. His breath misted in the cold. The cross at his throat seemed to warm against his skin, as if it were trying to remind him of something.

He had buried this box because he had been afraid of what it contained. He had buried it because he had known, even then, that some knowledge was a burden too heavy for one man to carry. But the voice he had heard in the depot—the voice from his own future—had told him to choose. And the time for choosing had come.

He lifted the lid.

Inside, wrapped in oilcloth, was a book. It was not a large book, nor an impressive one. Its cover was plain brown leather, its pages yellowed with age. But when Marchand opened it, he saw his own handwriting—cramped, hurried, the hand of a man who had written in fear and haste.

*They do not know what I am,* the first page read. *They think I am a conjurer, a miracle, a tool. But I am only a man who has seen too much. And what I have seen will not stay buried forever.*

He turned the pages. Dates, names, events—the history of the next twenty years, written in his own hand before he had sealed it away. The wars. The famines. The deaths. The names of men who would betray him, and men he would betray.

And at the back, in a different ink, a single line:

*The King will die at Versailles. The palace will outlast him. But France will not be what he dreamed. It will be what I make of it.*

Marchand closed the book. He had written that in a moment of bitterness, in the first weeks of his exile, when he had believed he might change everything, might save everyone. He had been younger then. Foolisher.

He tucked the book into his coat, against the warmth of his chest. The cross pressed against his skin, cold and steady.

Above him, in the depot, he heard the sound of a footstep.

He froze. The air was still. But the sound came again—a scraping, careful tread on the stone floor above.

Someone had followed him. Someone had found the door.

Marchand slid the box back into place, but he did not close the book. He could not. He held it against him like a shield, and he climbed the stairs into the light.

The man who stood in the aisle was not Roux. He was not a soldier at all. He wore the plain black coat of a clerk, and his face was smooth and young, but his eyes were old, and they were fixed on Marchand with a recognition that made the blood run cold.

“Monsieur Marchand,” the clerk said. “The King has need of you. He has sent me to bring you home.”

And in the clerk’s hand, glinting in the dust-filled light, was a key that Marchand had never given him.