A detective and wanderer called Man Tshu comes to town and challenges the crime family that owns it, burning their opium and taking away one of their prostitute wives as his love interest.

A crooked insurance investigator conspires with a factory boss to collect the indemnity payment after the building is burned down but has to destroy a piece of incriminating evidence in the possession of a woman.

This is the second film of the ZA KARATE trilogy (AKA BRONSON LEE CHAMPION). Tadashi Yamashita reprises his role as the Karate World Champion and must faces dozens of worldwide pretenders, such as the Guillotine Brothers of New Guinea, Killer Samson, Dracula Jack (Bolo) who all want a shot at him at all cost and also to steal the famous Orikirimaru Sword.