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.

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.

Kiyohime, a daughter of Tokugawa Ienari is married-off to Tadateru Ogura, the lord of a Kyushu clan. However, the lord's sexual inexperience and Kiyohime's strict morals lead to significant crisis in their marriage. To improve his sexual prowess, the lord is introduced to Sandra, a French woman held captive by usurer-smuggler Hatakaya. This results in the lord's choosing Sandra as his mistress. Kiyohime's attendants see this move as an insult and have Sandra beaten and imprisoned. Nevertheless, Sandra escapes with the help of Morita, a retainer of the lord. Out of bitterness and as some sort of revenge, the lord imposes a sex ban on his subjects.