With a Kansai syndicate setting their sights on Tokyo, a former yakuza boss gets dragged back into a world of violence.

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.