Ryoko, who lives with her husband in a rented apartment, one day loses her key while returning from shopping and ends up waiting at the home of her neighbor Sayama. Since his wife ran away, Sayama has been living alone and lusts after beautiful Ryoko, pushing her down impulsively. Ryoko, who was raped by her neighbor, can't tell her husband and is terrified. However, Sayama, invited to their home by her husband who knows nothing, starts messing with Ryoko's body again. Despite herself, Ryoko's body is drawn to the forceful and stimulating Sayama...
