Soon after the wedding, Jun Suehiro is left living alone when her husband takes a distant work assignment. The landlord summons her to discuss renovations, drugs her with sleeping pills, and rapes her. He secretly records the assault, then threatens to release the footage unless she obeys. Unable to resist his blackmail, Jun is passed among the apartment residents and used for sex, suffering repeated gang rape, creampies, and convulsive orgasms in a building overrun by predators.