Two cops are investigating a drug ring that may be led by an American man who saved them when they were kids. But when he kidnaps one's wife, they must fight through an army of ninjas to save her.

Chuck Connors stars in this routine martial arts feature as the Colonel. He sends agents Sonny (Mike Kelly) and Dennis (George Nichols) to Taiwan in search of microfilm containing experiments on genetic engineering. The agents soon find themselves up against Japanese killers known as the Sakura who plan to sell United States secrets to the Soviet Union. Sonny and Dennis train with a martial arts master in order to fight the enemy and obtain the coveted microfilm.