Repeatedly beat to a pulp by gamblers, cops, and gangsters, lone wolf Shoji Yamanaka (Kinya Kitaoji) finally finds a home as a Muraoka family hit man and falls in love with boss Muraoka's niece. Meanwhile, the ambitions of mad dog Katsutoshi Otomo (Sonny Chiba) draws our series' hero, Shozo Hirono (Bunta Sugawara) into a new round of bloodshed, culminating with the tragic demise of the young Yamanaka.