The first thing the house learned was the sound of a key turning in a lock. It learned this before it learned the sound of footsteps, before the scrape of a chair, before the soft, wet cough of a person dying alone in the upstairs bedroom. The key came first, a small metallic hesitation, a pause as though the hand outside had changed its mind, and then the decisive turn. After that, the house began to wait. For twenty three years, rent arrived on the first day of every month. A brown envelope passed through the brass letter slot in the front door. Sometimes it was thick with notes. Sometimes it contained a bank cheque. Once, during a winter of hard rain, it held a money order stained with what looked like rust. The envelopes were always addressed in the same handwriting. No name. No return address. Chelsea Vale had asked her father about the arrangement once. He had been sorting paperwork at the kitchen table, his glasses low on his nose. At her question, he stopped turning the pages. Some tenants were private, he told her. The rent was paid. The apartment was maintained. There was nothing to worry about. He returned to his paperwork, and she let the matter drop. After his death, she found the same reassurance in the letter he had left with the property documents. She had read it several times, trying to hear his voice in the words. He had not told her that the apartment had no current lease. He had not told her that the rent had begun before the building was registered. He had not told her that nobody had ever seen a tenant enter or leave. Rain had begun by the time Chelsea reached the house. She stood beneath the shallow porch, holding her father’s ring of master keys in one hand and the inspection report in the other. The keys were heavier than she remembered. As a child, she had known their sound before she knew which door he was coming through. Now she had to work through them herself. The report consisted of a single yellowing sheet. Its corners had softened, and a rusty staple marked the place where another page had once been attached.

Two bedroom residence. Ground floor. Vacant. She checked the date again. Twenty three years earlier. There was nothing more recent in the file. No photographs, no signed agreement, no record of an inspection since that first report. Only the rent receipts, carefully arranged by year. Chelsea looked from the paper to the front door. “Impossible,” she said. Her voice sounded unusually small beneath the porch. She folded the report and found the key. It entered the lock easily. For a moment, she held it without turning, listening to the rain behind her. Then the mechanism gave beneath her hand. From somewhere deep inside, a child began to laugh. Chelsea froze. It was a brief, breathless sound, bright with delight. She waited for a parent’s voice, for footsteps, for some ordinary explanation. The laugh came again. It sounded like a little girl hiding behind a curtain. “Hello?” No answer. Chelsea pushed the door open. The hallway was narrow and dim, its length interrupted by a patch of pale light at the far end. On the left, a sitting room opened beneath a ceiling stained the colour of old bruises. On the right, a staircase rose into shadow. She glanced at the inspection report. Ground floor. There was no staircase on the plan. Perhaps the file was incomplete. Her father had kept properties for years without updating their paperwork. She could almost hear him telling her that old buildings were never as straightforward as they looked. Chelsea stepped inside and shut the door behind her. The rain became a distant hiss. She stood still until her eyes adjusted. The house was empty enough to make her uncomfortable, though she could not have said what she expected to find. Not abandoned. Abandoned houses had a kind of honest disorder, dirt carried in by the weather, fallen plaster, the evidence of things left unattended. Here, the floorboards were bare, and the passage was clear. At the end of the hall stood a white door. There were no windows in it, no handle on the outside, and no apparent reason for it to be there. Chelsea approached far enough to see the faint seam between the door and its frame. She could find no latch, no keyhole. The paint was unmarked. “Is someone in there?” She listened. Nothing moved. She tried the sitting room first. A framed photograph hung on the wall. It showed the house before the street had been built around it, standing alone beyond a strip of rough ground. The roofline was recognisable. So were the porch and the narrow front door.

A woman stood on the step with her back to the camera. Chelsea leaned closer. There was no date beneath the image, no photographer’s mark. She lifted the frame from its hook and turned it over. The photograph was warm. She held it a moment longer, checking whether sunlight had fallen on the wall. The room was dim, the window filmed with grey daylight. There was no radiator nearby. She put the frame back. A sound came from upstairs. Something heavy dragged across the floor. Chelsea looked towards the passage. The sound stopped. “Hello?” she called again. “I’m the owner.” She disliked the way the words sounded. Until then, ownership had meant a folder of documents, a set of keys, another responsibility left by her father. Standing in that room, she felt she had made a claim someone might dispute. She returned to the hallway and looked up the stairs. There was enough light to see the first few steps. Beyond them, the banister climbed into darkness. Chelsea took the staircase slowly, one hand resting on the rail. She paused after each step, listening for movement above her. Near the turn in the stairs, she looked down. A child’s red shoe lay on the floor. Wet mud clung to its sole. A little had smeared onto the board beneath it, as though the shoe had been set down moments earlier. Chelsea did not touch it. She looked towards the top of the stairs. “Where are you?” Below her, the white door opened. She heard it without hearing its hinges, a soft inward pressure, the sound of wood giving way to something on the other side. Chelsea turned. From the bend in the staircase, she could see the end of the passage. The door stood ajar. She had checked it. There had been no handle. For several seconds she remained where she was, her fingers tightening around the banister. Then she descended, slowly at first, keeping her eyes on the opening.

Beyond it was not a room. It was another hallway. The same narrow walls. The same worn floorboards. The same shallow irregularities in the plaster. It resembled the passage behind her so closely that she looked back to make certain she had not become confused. But the house could not contain another corridor of that length. She had seen the building from outside. There should have been a wall there, and beyond it the yard. Instead, the hallway continued. Framed photographs hung along its walls. Chelsea could make out the nearest one, the house standing alone, a woman on its front step, her back to the camera. The next photograph showed the same woman. So did the next. At the far end of the impossible corridor sat a little girl in a red coat. Chelsea could not see her face. The child’s head was lowered, her hands resting in her lap. She was very still. “Are you the tenant?” Chelsea asked. The girl tilted her head. The house creaked around them. Pipes shuddered behind the walls. Somewhere below or somewhere that sounded as though it were below a chair scraped across a kitchen floor. Chelsea waited. When the girl answered, she spoke in Chelsea’s own voice. “Not yet.” The white door slammed shut. Chelsea ran. Her shoulder struck the wall as she turned. She stumbled past the staircase, caught herself, and reached the front door with the keys still clenched in her hand. For a moment, she could not work the latch. Then the door opened, and cold rain struck her face. She crossed the porch and stopped on the pavement. Water ran into her eyes. Behind her, the house was silent. Chelsea looked back. All the windows were dark except one on the upper floor. A figure stood behind the glass. She could see its outline, but nothing of its face. It remained motionless while she watched. Inside the upstairs bedroom, the wardrobe door opened by itself. From within came the small, patient sound of a child waiting to be let out.