A silly fantasy/adventure film about a man and wife who inherit a magical bracelet that bestows ten sons unto them. It soon becomes apparent that there are ill-intentioned others who want to use the ten brothers to their own advantage.

Kimura wins a trip to Hong Kong, but once he arrives, he is mistaken as a hitman and is assigned to kill Yumiko, the female successor to the Ota Group conglomerate. When Kimura falls for his target instead, he must learn kung-fu from a local (Yuen) to fight off the yakuza assassin "Invincible" assigned to finish the job.