Two boys, whose parents ply their trade by the mouth of a muddy river in Osaka, become close friends.

Takahiro Tamuraas Shinpei Itakura
Mariko Kagaas Shoko Matsumoto
Yumiko Fujitaas Sadako Itakura
Gannosuke Ashiyaas Shinoda
Keizo Kanieas Policeman
Taiji Tonoyamaas Man on Festival Boat
Masako Yagias Shinpei's First Wife
Shōhei Andō