The film is in a surreal style. The story involves a young high school teacher who has retired for marriage and seduces one of her former students. She prolongs the relationship by seeing the student whenever her husband leaves for work. Eventually she hides the student in a bedroom closet for more convenient access.

Sakura, a nurse, has a boyfriend and is at the peak of happiness. However, Sakura has something to worry about. Her father, Tsurugirou, selfishly says that "molesting working women will reduce their stress and make Japan a better place," and goes out on crowded trains every day, ignoring his daughter's pleas to stop him. One day, her boyfriend has a revelation on the crowded train and tells Tsurugirou that he wants to become his apprentice...

Naoko Ishikawa, a Japanese history teacher, is assigned to a dilapidated high school in a sparsely populated area. In the lifeless town, where no young people are to be seen, only the elderly. Naoko is welcomed by the vice-principal, Wada and the guidance counselor, Ikegami. Naoko's welcome party is held at Ikegami's house. His elderly father, Tadashi, is the town mayor, and Naoko is surprised by the youth of his wife, Asami. At the party, Naoko is given cloudy local sake to drink. Soon, Naoko's consciousness becomes hazy, and she is carried to the bedroom where she is subjected to the lewd caresses of men... The next day, Naoko wakes up in her room and cannot determine whether what happened last night was a dream or reality. Enduring a hangover headache, Naoko goes to school. In Naoko's class, there is a student named Kinoshita. When Kinoshita suddenly starts acting violently in the classroom, a female student, Misato,says, "He's sick."