A daily, sweaty, and intense affair unfolds between a sexually frustrated married woman from work and an unsuspecting big-titted older sister living in the countryside. The film captures the sensual confessions of a lustful wife, as well as relentless sex with an extremely virile student, repeated until the entire box of condoms is empty in a love hotel. It also includes the story of the first night he had a girlfriend, when an older neighbor sister taught him about sex. Scenes include being licked and taken in the boss's office, and a non-stop three-day, three-night sex marathon with the wife of a despised superior. The passionate encounters arising from these relationships are portrayed in a realistic and deeply intense manner.