A well-located apartment building, only five years old and a seven-minute walk from the station, offering convenient city living with fully furnished units equipped with appliances. The male employee working for the management company holds a strictly guarded master key, and his twisted desires begin to stir. His goal: breaking into the apartments of female tenants. A presumed 19-year-old youth, appearing like a typical student, returns home with a friend and starts changing into their school festival costumes. A tense and unsettling story unfolds where comfortable living conditions collide with disturbing developments.