A housewife, Rena, lives with her son while her husband is on a business trip. One day, her son's friend, who came to stay overnight to work on a report, witnesses Rena masturbating. Using a fake illness to be alone with her, Rena is raped. Despite being raped... her body responds to the long-forgotten pleasure, becoming intoxicated by the climax. Her friends' desires spiral out of control, and she is caressed even beside her son, eventually drowning in their affairs...
