Description：
Brian, a college freshman seeking peace, moves into a cheap apartment to escape his noisy dorm. But his hopes for quiet are shattered by strange, nightly sounds from the next unit—a young woman's muffled cries and unsettling thuds against the shared wall. Driven to frustration and sleep deprivation, he confronts his neighbors, only to discover a shocking truth: the source is a stunningly beautiful young woman named Serena and his much older landlord, Walter. As Brian becomes obsessed with Serena, his lonely nights fill with forbidden fantasies. But what begins as voyeuristic curiosity soon spirals into a dangerous fixation. Trapped between envy and desire, Brian's world unravels as he uncovers the dark reality behind the thin walls. A gripping tale of obsession, secrets, and the haunting sounds that expose the hidden lives next door.