A large family scrapes by on the meager salaries of the father and three eldest sons, who left school in order to work and support the family. The fourth eldest is soon to graduate and follow in their footsteps, though he'd rather continue schooling. The eldest finally decides to break free and set out on his own against his parents' wishes, with the support and sympathy of his siblings.

Musei Tokugawa
as Ishimura

Noriko Honma
as Ishimura's wife

Akira Ubukata
as Kiichi, first son

Kaoru Itō
as Genji, second son

Seikichi Minami
as Noboru, third son

Takeshi Hirata
as Eisaku, fourth son

Seiichiro Bando
as Kokichi, fifth son

Kiyoko Wakaba
as Hide, first daughter

Den Obinata
as Ogawa - the teacher

Sumie Tsubaki
as Mitsuko