Female ninjas nudity and sword-weilding action directed by Takayuki Miyagawa is bawdy and thrilling! The female ninjas are sent undercover (sometimes under bed covers) to investigate the disappearance of a gold chest.
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.
Terry is a tough mercenary and a master of martial arts. When an important business magnate dies, leaving billions to his daughter, the Mafia and Yakuza try to hire Terry to kidnap the daughter. When they refuse to meet his exorbitant price, then try to kill him to conceal their secret plans, he promptly offers his services to protect her. Much ultra-violent martial-arts fighting action, as expected, ensues. This also includes a subplot of a family's blood-feud with Terry over a disputed debt.
The rich punk Junya has only one thing in mind: to race with the police on his motorcycle. That makes him unpopular, not only with the police, even with his Bosozoku buddies, who slowly but surely distance themselves from him. Junya falls in love with the equally speed-hungry Hiroko.
In the 1970s, the Japanese youth emancipation also found its way into the yakuza (crime) societies. A Girl Boss may have a choice between bikes, and between boyfriends. But she has to defend her choices the hard way, as her triumph and power over the girls' gang is questioned by her female rivals, and the all powerful Yakuza Boss. She inspires loyalty to her girls, and to men to the extent of many of them literally giving their lives for her - in a world of knife and gun fighting, bike and car chasing, and violent death.