Gennosuke Nannushi (Hitoshi Ozawa) is a lone man who lands on the streets of Kabukicho to run a black-money business with his roots in the area. He starts a business with Kuro (Onimaru), a man he met on the street, but his game with Kawamoto (Shigemitsu Ogi), his former business rival, turns into a life-and-death war involving the yakuza...