Fierce struggle between brothers and sisters in a lawless land where violence is the norm.

Nitani is an undercover drug enforcement agent in Kobe who not only busts two rival drug gangs but also helps one of the more decent hoodlums find the killer of the hood's brother.

When Ryuji - the Gun Slinger, a drug addict leaves hospital to which he was taken after a gunfight by a notorious killer named Gin of Colt, he is employed as a bodyguard by Yo Sangen, chief of a narcotics smuggling ring.

Released in the UK as Hotbed of Crime

A conflict between two yakuza families in Tokyo, the Izus and the Yoshidas, has recently broken out. When an Izu underling starts a fight with a Yoshida man, Fuyu, the Izu family sends Tsuruta, a senior member of the clan, to make a personal apology to Fuyu. Tsuruta discovers that the woman he is in love with is Fuyu's sister, Tatsuko. Tsuruta ends up gambling with a swindler, who is in fact Tatsuko's husband. (The general plot of the film was re-used for Seijun Suzuki's Kanto Wanderer).