The attic studio smelled of turpentine and dust, the particular dust of a house that had not been renovated since the Carter administration. Adrian Voss stood before the easel, brush hovering, and felt nothing. Not the void of creative block—that at least had the dignity of emptiness. This was worse. This was the presence of something thick and gray, like fog pressed against the inside of his skull.

He was thirty-five years old. He had never sold a painting.

Clara's father had bought the townhouse in 1978, a limestone structure on West 82nd Street that rose from the sidewalk like a monument to someone else's taste. Adrian lived in it as a guest who had forgotten to leave. The Casserly family tolerated his art the way one tolerates a child's finger paintings on the refrigerator door: with affectionate condescension and the quiet hope that it would pass.

Victoria Casserly owned a gallery in Chelsea. She was a woman who arranged people the way she arranged exhibitions—with precision, with intention, with the knowledge that every placement was a statement. Adrian was not a statement. He was a footnote.

Clara's husband. That was how he was introduced. Always. At gallery openings, at dinner parties, at the occasional charity gala where he stood in the corner holding a glass of wine he did not want and smiled the smile of a man who had learned that smiling was the only currency he possessed.

He went to the basement that evening because he could not stay in the attic. The gray fog had thickened. The canvas before him had become a white wall, and he was standing in front of it like a man who had forgotten the purpose of rooms.

The basement was a cavern of forgotten things. Boxes labeled in Clara's mother's precise hand: Linens—1992. Christmas—Do Not Touch. Casserly Archives. And in the farthest corner, behind a stack of water-damaged art books, the mirror.

It was Victorian in the way that everything Victorian was Victorian—ornate, excessive, convinced of its own importance. The frame was carved from dark wood, its surface a tangle of acanthus leaves and mourning angels. The glass itself was silvered, or had been. The silvering was degrading now, peeling at the edges like sunburned skin, revealing the dark glass beneath. But the center—the center was intact, and it was dark, and it was waiting.

Adrian looked into it.

He did not see himself.

He saw a man who looked like himself but was not himself. This man was standing in a gallery—his gallery, the walls white and bright, the lighting perfect—and people were gathered around his paintings, and they were talking, and they were impressed. The man in the mirror wore a suit that fit. His hair was styled. His face was the same face, but the face had been corrected, as if someone had taken a pencil to the original and erased the doubt.

Adrian blinked. The reflection blinked with him, but the man in the mirror was still smiling.

He looked away. He looked back. The man was still there.

It was a trick of the light, he told himself. The basement was poorly lit. The silvering was degraded. His eyes were tired. He was tired.

He went back to the attic. He did not paint.

The mirror responded to him the way a dog responds to a whistle—invisible signals that only the two of them understood. When he was hopeful—after a morning when Clara had kissed him with something that resembled affection, when she had said, You should show your work at Victoria's gallery—the reflections were brighter. He saw himself in a Parisian studio, sunlight streaming through tall windows, paint splattered across his clothes like evidence of a crime. He saw himself at a dinner party, holding court, making people laugh. He saw himself with Clara, but different—happier, perhaps, or maybe just different, because happiness was a color he could not quite name.

When he was bitter, the reflections darkened. He saw himself destitute, standing on a street corner in a coat that was too thin for winter. He saw himself alone in a room that was not the attic, a room that was smaller and colder and smelled of something he did not want to identify. He saw himself dead, and the sight of it sent a shock through him that was almost pleasure. Almost.

He stopped painting. The canvases in the attic accumulated like snow, white walls pressing against white walls, and he walked past them every morning on his way to the kitchen, where Clara had already left for work. She was a curator at the Met. She worked with Impressionist paintings, the kind that existed in the space between light and memory. Adrian envied them. They had been made by people who knew what they were doing.

Dr. Helena Marsh noticed the changes. She was a psychoanalyst with gray hair and a voice like warm water. They had been seeing each other for six months, ever since Clara had suggested—gently, the way one suggests that a guest might like to stay for another cup of tea—that Adrian consider talking to someone.

You're dissociating, Dr. Marsh said. She was sitting in her chair, her hands folded in her lap, her eyes on him with the patient attention of someone who had heard every story and recognized this one. You're losing track of which life is yours. This is a defense mechanism, Adrian. Your mind is protecting you from something.

From what?

She smiled, and it was not unkind. That's not my question to answer.

He did not go back to the mirror for three days. Three days of gray fog. Three days of standing in front of blank canvases and feeling the weight of the house pressing down on him, the weight of the Casserly name, the weight of being a man who lived in his wife's family's townhouse and could not sell a painting.

On the fourth day, he went to the basement.

The mirror was waiting. The man in the mirror was waiting. And this time, the man was cruel. His eyes were hard, his mouth was set in a line that Adrian recognized—not from his own face, but from the faces of men who had everything and wanted more. The man in the mirror was Adrian Voss, but Adrian Voss had been sharpened, whetted, made dangerous.

Adrian wept. He wept in the basement of his wife's family's townhouse, and the mirror watched him with the man's cold, satisfied eyes.

Sylvia Cross came to the townhouse on a Tuesday in October. She was a collector—wealthy, sharp, Victoria's former protégée. She had eyes that missed nothing and a smile that hid everything. Clara had invited her for tea, and Sylvia had arrived with a gift of chocolates and a question about the house's history.

While Clara showed her the drawing room, Sylvia wandered. She was the sort of woman who wandered into rooms and assessed them the way a buyer assessed a painting—quickly, accurately, without apology. She found the basement door. She found the mirror.

She stood in front of it for a long time.

When Adrian came down the stairs ten minutes later, she was still there. She turned to him, and her expression was unreadable.

Do you know what this is? she asked.

It's a mirror, Adrian said.

Sylvia smiled. It was made by a craftsman in Victorian London. He specialized in mirrors for psychoanalytic offices. Patients were asked to look into them and describe what they saw. The reflections were not literal, Adrian. They were projections. The subconscious made visible.

Adrian felt the gray fog shift. It was not lifting. It was rearranging.

What are you saying?

Sylvia's smile did not change. I'm saying that the mirror doesn't show you who you could be. It shows you who you're afraid you'll never be.

She offered to buy it. She named a price that would have paid for the attic studio's renovation three times over. Adrian refused. He did not know why. He only knew that the mirror was his, and that it was the only thing in the house that knew him.

Sylvia left with the chocolates. Adrian went back to the mirror.

Every reflection was now an accusation.

The man who was famous. The man who was alone. The man who had never met Clara. The man who had married someone else. The man who had died young, and the man who had lived long, and the man who was still here, in the basement, and the man who was in the attic, and the man who was in the gallery, and the man who was in the mirror, and the man who was—

Who was who?

The thoughts came in fragments now, like glass on the floor. He could not sweep them up. He could not step over them. He walked on them.

He stopped eating properly. The kitchen became a place he passed through, not a place he inhabited. Clara noticed. She asked questions with the careful cadence of someone who had learned that questions could be weapons. He answered with the careful cadence of someone who had learned that answers could be lies.

He went back to painting.

The work was different. It was darker—no, not darker. Deeper. The surface was the same, the silvered glass of the canvas, but beneath it was something that moved, something that breathed, something that was alive. The paintings were obsessive and beautiful and haunted, and when he stood in front of them, he could not tell if he was looking at them or if they were looking at him.

His first solo exhibition was at a small gallery in Chelsea. Victoria did not attend. Clara attended, and she cried, and she did not know whether to be proud or afraid. The critics wrote about the haunting quality of his work. They used words like visceral and unflinching and profoundly moving. They did not mention the mirror. They did not need to.

Adrian stood in front of one of his own paintings. The surface was glossy, dark, and for a moment—just a moment—his reflection was different. The face was not his face. It was the face from the mirror, the face from the basement, the face that had been waiting.

Then it was not.

He turned and walked away.