After his final job as a yakuza hit man, Tetsu, the Silver Fox, is attacked by his latest target's henchmen. Coming to his rescue is Kenji, Tetsu's younger, peaceful brother. In the fray Kenji kills a yakuza and the two flee to Manchuria. Hounded by the police and the yakuza, the two brothers find work with a construction firm until they can no longer hide their identities.
