The Day of Youth.

At Tokyo Gakuen University, Takema, son of Tatsunosuke, chief of the Waku gang, is a freshman who wishes to prepare himself for a better life away from gang activities despite the wishes of his father who wants him to assist strengthen the gang against the Kawano group. Takema's classmate, Akiko, is the daughter of Eiko who operates a restaurant, and through her he obtains a lodging in the house of Shiu, a dancing mistress. The students enjoy their life, but most have their troubles. Sakamoto works as a laborer on the docks to help pay for his schooling, and Akiko worries over the relationship between her mother and Sakurai, a corrupt politician, suspected to be involved in graft over jet aircraft.