Repeatedly beat to a pulp by gamblers, cops, and gangsters, lone wolf Shoji Yamanaka finally finds a home as a Muraoka family hitman and falls in love with boss Muraoka's niece. Meanwhile, the ambitions of mad dog Katsutoshi Otomo draws our series' hero, Shozo Hirono, and the other yakuza into a new round of bloodshed.
Eddie Dodd is a burnt out former civil rights lawyer who now specializes in defending drug dealers. Roger Baron, newly graduated from law school, has followed Eddie's great cases and now wants to learn at his feet. With Roger's idealistic prodding, Eddie reluctantly takes on a case of a young Korean man who, according to his mother, has been in jail for eight years for a murder he didn't commit.
A psychotic man opens fire in a diner, murdering numerous people before killing himself. The survivors struggle in different ways following this horrendous event: a doctor doubts his own instincts and elects to use an experimental medical procedure on his wife, while a gambler believes he's on a lucky streak. A waitress begins engaging in promiscuous sex, and a young girl whose father is among the dead gains unexpected fame.
When George Tanner does business with high-ranking Yakuza Tono, Tono kidnaps his daughter, and George summons his old friend, private eye Harry Kilmer, to Japan to investigate.