The Shared Wall

Elias is a light sleeper in an apartment with paper-thin walls. For six months, he's cataloged every sound his elderly neighbor makes-the coughing, the footsteps, the nightly hymns. It's annoying, but familiar. Until Henderson dies. The apartment next door falls silent. Then, at 2 AM, the sounds begin. Scrubbing. Rhythmic and methodical, coming from the empty, police-sealed apartment. Focused on their shared wall.
Elias tells himself it's a cleaning crew. But the landlord insists no one has the key. No one has been inside. Night after night, the sounds continue. Scrubbing. Sliding. Breathing. Something is working at the wall between them. Something patient. Something that doesn't need permission. And it's getting closer. The Shared Wall is a chilling horror novelette about isolation, vulnerability, and the terrifying intimacy of thin walls.