The train rattled. It shook the bones in my chest. I gripped the handle. The metal was cold.

I was not a man who believed in ghosts. I was a man who measured things. Widths, depths, yields. I was a foreman at the Halloway Steel Works. I wore a hard hat. I carried a clipboard. I knew the price of iron.

But I had come to the old mill on the edge of the valley. It was closed. It had been closed for ten years. The company had bought it. They wanted to tear it down. They wanted to build a parking lot. Or a warehouse. Something with flat lines.

My father had died here. Or rather, he had disappeared here. The police said he walked into the river. They found his shoes. They did not find him. I was seven. I remember the smell of wet wool. I remember the silence.

I was here to sign the papers. I was here to end it.

The gate was rusted. It groaned when I pushed it open. The sound was like a scream. It cut through the air. I walked into the yard. The grass was tall. It hid the ground. I could not see where I was stepping.

There was a light in the window.

It was a small light. It flickered. It was yellow. It looked warm. In this cold, gray place, it looked wrong.

I walked toward the door. My boots crunched on the gravel. I knocked.

No one answered.

I knocked again. Harder.

The door opened. It swung wide. It did not creak. It was silent.

A woman stood in the doorway. She was old. Her hair was white. Her face was thin. She wore a dress that looked like it was from another time. The fabric was dark. It absorbed the light.

"You are late," she said.

Her voice was low. It was steady.

"I am not," I said. "Who are you?"

"I am the keeper," she said. "Come in."

I should have stopped. I should have turned around. I should have driven away. But I stepped inside. My feet moved without my permission.

The room was dark. It smelled of dust and oil. It smelled of my father.

The woman pointed to a chair. It was wooden. It was broken. One leg was shorter than the others.

"Sit," she said.

I sat. The wood groaned under my weight.

"Did you bring the papers?" she asked.

"Yes," I said. "I brought the keys."

I reached into my pocket. I pulled out the keys. They were heavy. They were cold. I held them out to her.

She did not take them. She looked at them. Then she looked at me.

"You do not know what they are for," she said.

"I know exactly what they are for," I said. "To open the door. To end the debt."

She smiled. It was a sad smile. It did not reach her eyes.

"The debt is not yours to end," she said.

"I am the son," I said. "I am the heir. I can do what I want."

"No," she said. "You cannot."

She stood up. She walked to the window. She pulled back the curtain.

Outside, the night was black. But there was a light. It was coming from the machine room.

"It is still running," she said.

I stood up. My heart beat fast. It thumped in my ears.

"What machine?" I asked.

"The one that made the steel," she said. "The one that ate the time."

I laughed. It was a short, sharp sound. "That is a story. A ghost story. I am a man of facts."

"Are you?" she asked. "Look at your hands."

I looked down. My hands were shaking. They were dirty. There was black oil under my nails. I had not been to the works in weeks. I had been in my office. I had been in my clean, white shirt.

But my hands were black. They were stained. They looked like my father’s hands.

I pulled my sleeve down. I hid my hands.

"Let us go," I said. "I will sign the papers. We will burn this place. We will be done."

The woman shook her head.

"You cannot burn the past," she said. "You can only add to it."

She turned to me. Her eyes were dark. They were deep.

"Your father came here every day," she said. "For ten years. He never left. He worked the machine. He fed it. He kept it alive."

"He was a ghost," I said. "He was crazy. He saw things that were not there."

"Did you ever see him?" she asked.

I paused. The question hung in the air. It was heavy.

"No," I said. "I was a child. I was afraid. I stayed in the house. I stayed with my mother. I did not go near the mill."

"Your mother," the woman said. "Did you talk to her?"

I felt a chill. It started in my stomach. It spread to my chest.

"She died when I was ten," I said. "Three years after my father."

"Yes," the woman said. "And who took care of you after that?"

My aunt. Margaret. She took me in. She raised me. She was strict. She was cold. She told me to forget the mill. She told me to forget my father. She told me to become a man. To be practical. To be solid.

I looked at the woman. I looked at her face.

I knew her.

I did not know how I knew her. I knew the shape of her nose. I knew the line of her jaw. I knew the way she held her head.

It was my aunt.

No. It was my mother.

It was my mother.

The room tilted. The floor dropped away. I grabbed the back of the chair. The wood snapped.

"Stop it," I said. My voice was high. It was thin. "This is not real."

"It is the only thing that is real," the woman said. She was not my mother. She was not my aunt. She was someone else. She was the keeper. She was the witness.

"Who are you?" I shouted.

"I am the one who stayed," she said. "I am the one who watched."

I pushed past her. I ran toward the door. I needed to get out. I needed air. I needed light.

I burst into the yard. The night was silent. The stars were out. They were bright. They were cold.

I looked back at the building. The light in the window was gone. The door was closed.

I ran to my car. It was parked at the gate. The engine was warm. It had been running.

I got in. I locked the doors. I turned the key. The engine roared.

I looked in the rearview mirror.

My mother was sitting in the back seat.

She was wearing her old dress. The dark one. She was looking at me. She was smiling.

I screamed. I crashed the car into the gate. The metal crumpled. The glass shattered.

I ran. I ran into the grass. I ran into the dark. I ran until my lungs burned. I ran until my legs gave out.

I fell to my knees. The grass was wet. It soaked my knees.

I was alone.

I was really alone.

I stood up. I walked back to the mill. My feet were bare. The gravel cut my skin. I did not feel it.

I walked to the door. It was open.

I walked in.

The room was empty. The chair was broken. The curtain was drawn.

On the table, there was a piece of paper. It was an invoice. It was from the Halloway Steel Works. The date was today.

I picked it up. My hand was black. The oil was on the paper.

I looked at the bottom of the page. There was a signature.

It was my signature.

But I had not signed it.

I looked at the door. It was closing. It was closing slowly.

I tried to stop it. I pushed against the wood. It was hard. It was heavy.

I could not stop it.

The door closed.

The lock clicked.

I was alone.

I sat on the broken chair. The wood did not creak. It was silent.

I waited.

The machine started.

It was a low hum. It came from the walls. It came from the floor. It came from the air.

It was the sound of my father’s breathing.

It was the sound of my own heart.

I closed my eyes.

I let it happen.

I let the debt be paid.

I let the time pass.

The hum grew louder. It filled my head. It filled my soul.

I was not a man of facts.

I was a ghost.

I was the keeper.

I watched the door. I watched it close.

I smiled.

It was a sad smile.

It did not reach my eyes.

The machine ran on.

It always runs on.