Chisato Shoda, a woman who turned to aphrodisiacs due to stress in her marital life
Chisato's husband indulges in drinking and gambling, and ends up going wild at home. Chisato consults her brother-in-law, but she gets angry and her husband abuses her. While she is taking care of her injured brother-in-law, they both become horny and engage in erotic acts. Their relationship continues and the two get close to each other. However, her brother-in-law learns of Chisato's secret.
