While her husband is away, Reiko is raped by her landlord. By chance, a neighboring man witnesses the act. Holding evidence of the affair, the man blackmails Reiko into sleeping with him—sparking a new series of troubles. Under constant threats, Reiko slips sleeping pills into her husband's meal. Once he falls unconscious, both the neighbor and the landlord come to her home. With her beloved husband lying asleep beside her, Reiko is forced to submit as the two men sexually assault her in their shared bed.