During her school years, she discovered the allure of the stage through the drama club, but her parents opposed her dream of becoming an actress, so she gave up and got a job after graduating from junior college. At 26, she married a salesman five years her senior and soon had a child. When she and her son participated in a city-sponsored play, it sparked his desire to become an actor as well. Amidst this, the married woman falls into a forbidden relationship with Kōichi Takahashi, the head of the theater troupe her son belongs to. They meet in secret, hiding from others, and spend their days indulging in physical intimacy, knowing it's wrong. Today again, despite having a loving family, she sinks into a depraved carnal indulgence.