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The first time I heard it, I told myself it was mice.
That’s the thing about moving into a cheap apartment after a breakup—you learn very quickly to rationalize. The radiator knocks all night? Character. The hallway smells like someone else’s cooking at 11 PM? Community. Scratching inside the bedroom wall at 2:13 in the morning? Mice. Old buildings have mice. Old buildings have all kinds of things living inside them, and none of it means anything, and you are fine.
I repeated that last part a lot in those first weeks. You are fine, Cassie.
The scratching continued every night after that, always starting around the same time, always in the same spot—a stretch of wall just beside my headboard, maybe six inches from where I lay trying to sleep. I downloaded a white noise app. I bought four mousetraps and set them along the bedroom baseboard. I started sleeping with the TV on. I told myself the sounds were getting quieter, even when they weren’t.
Then the sounds started moving.
I noticed it about three weeks in. I’d gotten up at 2 AM to get water—the scratching had woken me again—and the moment I walked into the kitchen, the sound shifted. It relocated. From the bedroom wall to the kitchen wall, smooth and immediate, like something following the vibrations of my footsteps through the dark.
I stood very still in the kitchen with my glass of water and listened to the sound of small claws working steadily at the plaster eighteen inches from my face.
I went back to bed. I did not sleep.
The next night I tried the couch, half-convinced I was imagining things. The scratching followed me there too. When I moved back to the bedroom, it moved with me. Patient. Consistent. Like it had learned the shape of the apartment and where I fit inside it.
The traps were always empty in the morning. Whatever was in the walls wasn’t interested in bait.
On the fourth night, fed up and exhausted and probably a little unhinged from sleep deprivation, I balled my hand into a fist and knocked hard on the wall.
Three solid knocks. Knock. Knock. Knock.
Silence.
Then, after a pause that lasted exactly long enough to make me doubt myself: scratch. scratch. scratch.
Not panicked. Not fleeing. Just answering.
Every hair on my arms stood up at once.
I did not knock again.
The landlord’s name was Mr. Ferris, and he had the practiced patience of a man who had heard every complaint imaginable and fixed approximately none of them.
“Old pipes,” he said, not looking up from his clipboard. “Building settles at night. Could be squirrels in the eaves—we had that problem a few years back.”
“It follows me room to room,” I said.
He wrote something down. “Squirrels are fast.”
I mentioned it to the woman in 4B when I saw her in the laundry room a few days later. She was folding towels with her back to me, and when I started talking about the noises, she went very still. Not the stillness of someone concentrating. The stillness of someone who doesn’t want to react.
“Old buildings make noise,” she said finally, and gathered her laundry and left without making eye contact.
The man in 2A did the same thing when I brought it up in the hallway. Just that slight freeze, that careful blankness, and then a polite exit. After the third neighbor responded the same way, I stopped bringing it up.
I started researching instead.
The apartment building had been constructed in 1961. I found a local history forum thread about it, buried deep in search results, posted by someone whose username was just a string of numbers. They’d lived in unit 3C—my unit—for four months in 2019 before breaking their lease. “The walls are wrong,” they’d written. “I know how that sounds. The walls are wrong and something inside them knows I’m here.”
There were two other complaints from different tenants, different years, same building. One mentioned sounds. The other just said they’d moved out suddenly for “personal reasons” and left it at that.
I found the disappearance in a local news archive from 2011. A tenant named Dale Pruitt, unit 3C—my unit—had been reported missing by a coworker after failing to show up for work for two weeks. Police found his apartment unlocked, his belongings still inside, his car in the parking lot. No sign of forced entry. No sign of struggle. No Dale.
The case was still open.
I moved my mattress to the center of the bedroom floor, away from all the walls. I’m not sure what I thought that would accomplish.
The breathing started on a Wednesday.
The scratching had gone quiet that night, which should have been a relief. Instead it felt like pressure dropping before a storm. I lay in the dark listening to the silence, and then I heard it—movement behind the wall beside my old headboard location. Slow. Deliberate. Not the quick frantic energy of an animal. Something that paused and started and paused again, as if it were settling in. Getting comfortable.
And then I heard breathing.
Low and close, separated from me by nothing but four inches of old plaster and whatever lived in the dark space between.
I didn’t move. I stopped breathing myself, hoping I’d misheard, hoping my exhausted brain had manufactured the sound from ambient noise and old pipes and the particular cruelty of 2 AM.
Then it said my name.
“Cassie.”
Soft. Questioning. Like someone practicing a new word for the first time. The shape of my name but not quite right—the vowels slightly off, the emphasis wrong somehow. Not a recording. Something working from memory. Something that had listened long enough to learn it.
I was out of bed and in the hallway with the lights on before I consciously decided to move.
I stopped sleeping more than a few hours at a time. I started hearing things during the day too—movement above the ceiling, something traveling through the walls with impossible speed, covering distances in seconds that should have taken minutes. Sometimes I heard tapping. Deliberate patterns, four taps and then three, repeating until I acknowledged them somehow, until I made a sound or moved or gave it something to track.
The worst was the voice in the vent.
I was sitting at my kitchen table one evening when I heard something coming from the heating vent near the floor. My own voice. Fragments of things I’d said, phone conversations, just the shapes of words strung together wrong. “Fine—you don’t need to—it’s probably just—” A broken recording of my own reassurances played back at me from inside the walls.
I called my sister that night and told her I was having a hard time adjusting to the new place. I didn’t mention the voice. Some things, once spoken aloud, become more real.
A neighbor stopped me on the stairs one morning. Old woman, third floor, I’d never spoken to her before. She grabbed my wrist before I could step around her.
“Don’t answer it,” she said.
Her eyes were very serious.
“The tapping,” she said. “Don’t tap back. Don’t speak to it. Don’t let it know you hear it.”
I asked her what she meant. I asked her what it was.
She just shook her head and kept climbing the stairs, and I stood in the stairwell for a long time afterward thinking about the night I’d knocked on the wall and it knocked back. About all the times I’d spoken aloud in my apartment, narrating my own movements out of loneliness—okay, going to make coffee now, going to try to sleep now, I’m fine, I’m fine, I’m fine—giving it language to practice.
I called building maintenance on a Friday and told them I needed the bedroom wall opened. I explained about the sounds, the movement, the animal that had to be living inside the structure. The maintenance man came that afternoon with a utility knife and cut a section of drywall out beside my headboard, the spot where the scratching always began.
We both stood and looked at what was inside.
Nothing. A narrow dark gap between the drywall and the old plaster beneath, maybe three inches across. No nest. No droppings. No animal remains. The space was too small to fit anything larger than my hand, let alone whatever had been moving through the walls with such confident speed.
Just darkness and the faint smell of dust, damp paper, and stagnant air.
The maintenance man patched the wall and told me to call an exterminator. He didn’t meet my eyes when he left.
That night I lay in bed and noticed the patch looked slightly uneven in the dark—bowing inward just a little, depending on the angle. I told myself it was the shadows. I listened to the silence and thought about the space behind the new drywall patch. About how three inches was enough for air. Enough for sound to travel. Enough for something patient and flat and utterly unlike anything I understood to press itself against the inside of the wall and breathe.
I thought about Dale Pruitt. I thought about all the tenants who had left suddenly. I thought about the old woman on the stairs and her warning that came four months too late.
I was almost asleep when it started again.
A single slow scratch, directly behind my headboard. Closer than it had ever been before—as if the removal of the drywall had collapsed some remaining distance between us. As if whatever lived in the walls had finally found exactly where I was.
I lay completely still.
Listening to it listening to me.
And in the space between one breath and the next, I heard my own name again.
Softer this time.
More practiced.
Almost right.
© 2026 Karen Cody. All rights reserved.
This original story was written exclusively for the Urban Legends, Mystery, and Myth blog.
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