Satomi, a housewife, lives a happy but somewhat uninspiring life with her husband and her father-in-law who requires care. Her husband is gradually losing interest in her, and Satomi's desires are growing. During these days, only her father-in-law comments on Satomi's beauty. Then, Satomi finally has a physical relationship with her father-in-law. Her hidden desire explodes, and Satomi and her father-in-law begin to engage in intense and vulgar adulterous sex that a young couple could never achieve... #ChiefP