The seventh film in the popular series starring the Yotamono trio (Mitsui, Abe and Isono). Summer came and the three of them decided to open a store on the beach to get rich...

A young man discovers that the woman who raised him is his stepmother. His stepbrother, who is unaware of the revelation, resents his mother for always punishing him more severely than his stepsibling.

Minowada, a young teacher at a National People's School, has his own theory of education and the daughter of his linguistics teacher becomes drawn to him. Kayo, a strong-willed doctor, is also attracted to him. A mediator tries to arrange a marriage but just at that point Minowada receives military call-up papers.

The story deals with Fuji, nicknamed Waka-danna (Young Master), the star athlete on his university's rugby team. The son of a wealthy soy sauce manufacturer, Fuji basks in the glory of his athletic celebrity. Attracting the attention of admiring young women, Fuji resists family pressure to settle down and marry after college. Instead, he spends much of his time drinking and womanizing, behavior which eventually leads the college officials to expel him from the team.

An aging geisha, whose angry teenage son is ashamed of her profession, works alongside a young geisha, resentful of her family for forcing her into a life of ignominy.

Heinosuke Gosho evokes in this film the family conflicts engendered by the eternal problem of a father who projects his professional desires on the life of his son. The sister Machiko is the essential link that will allow everyone to apologize to each other and achieve reconciliation.