Ju-young, a woman with a hearing impairment, receives news of the sudden disappearance of her younger sister, Ju-hee. When she visits the building where her sister lived, she encounters disturbed residents who react with fear and beg for silence. At night, the place is engulfed in an unnatural quiet, broken only by strange sounds that seem to follow her. Isolated and confronted by a dark presence, Ju-young discovers that her sister's disappearance may be connected to something far deeper — and more malevolent — than she ever imagined. An atmospheric thriller about the fear that dwells in silence and the devastating power of what goes unheard.
