I don't want to betray anyone. When I'm held by this person── I feel fulfilled. Sumika, an ordinary housewife leading a smooth married life, has ended up in a "lesbian affair" with Shino, who lives next door in the apartment. Caught between confusion and allure, the husbands hit it off, and the four of them decide to go camping together. Then, in the car at night, Shino and Sumika, fueled by alcohol...