A love triangle develops between a benevolent student, his innocent girlfriend, and a cruel petty criminal, all as a point of diagnosis of a social disease that had Japan slowly succumbing to lawlessness during the post-War era.

Fumio Watanabe
as Nishida

Ineko Arima
as Shizuko

Tatsuya Nakadai
as Jo

Asao Sano
as Sakazaki

Seiji Miyaguchi
as Kin

Eijirō Tōno
as Kurihara

Isuzu Yamada
as Landlady

Tomo'o Nagai
as Okada (uncredited)

Keiko Awaji
as Okada's Wife (uncredited)

Natsuko Kahara
as (uncredited)