Kikumori runs a cabaret on the docks, while his friend Kaji operates transport boats. When a gang of drug dealers tries to force the pair to cooperate in a smuggling scheme, conflict arises between the two friends. Falsely blamed for murder, Kikumori is blackmailed into an attempt to sabotage Kaji's boats and kill him. But the friendship between the two men proves an obstacle to the gangleader's plans.
| Actor | Role |
|---|---|
 Toshirō MifuneKaji | Kaji |
 Ryō IkebeKikumori | Kikumori |
 Yūzō KayamaToshio Masue | Toshio Masue |
 Yumi ShirakawaMineko Saijo | Mineko Saijo |
 Yuriko HoshiNatsue | Natsue |
 Akemi KitaHarumi | Harumi |
 Jun TazakiBoss Tsukamoto | Boss Tsukamoto |
 Akihiko HirataToriumi | Toriumi |
 Tadao NakamaruMachida | Machida |
 Takashi ShimuraChotaro Masue | Chotaro Masue |
 Hideyo AmamotoNot listed | Not listed |