Not satisfied with her married life with her docile husband, Arisa is having an affair with a man much older than her, Tabuchi. "The perfect master-slave relationship..." Arisa, who is naturally a masochist, feels deep climaxes during sex with the sadistic Tabuchi. One day, Tabuchi plans a two-day, one-night trip. Arisa, who has come on the trip while her husband is not looking, sees through the true purpose of the trip and is excited. It is that this trip is a "training affair trip" to turn Arisa into the perfect sex slave...