Zensaku, middle-aged and deaf in one ear, learns that his son's fallen for the daughter of a war officer responsible for the maiming.
Two convicts just released from prison find a green bauble filled with diamonds — and try to prove they didn't steal it.
Upon returning to his hometown of Nagasaki, recently released prisoner Tachibana Shinichi must rejoin the Asahi gang family in order to pay back a past debt. Trouble brews when the rival gang that was responsible for sending him to prison learns of his return. Left with no alternative to their constant harassment and threats, Tachibana decides to take them on.
