A record of a two-day, one-night stay in which a frustrated wife who has not had sex with her husband for a while lets loose. She is excited by her pent-up sexual desire and a sense of infidelity. After being teased at a hotel with a hot spring, the masochistic wife turns into a woman and for the first time accepts a man's penis other than her husband's. It feels so good that she climaxes! In the end, she receives a generous amount of sperm in her vagina...