Karate champion Matt Logan is enlisted by the police to train officers in self-defense after narcotics agents are killed by an assailant using the martial arts.

Jones is a secret agent who has gone into semi-retirement, concentrating instead on teaching the martial arts to inner city youths. The karate school is run by a kindly old…

Robert Neville, a physician, because of an experimental drug, is the sole survivor of an undercover warfare waged with biological weapons. The plague resulting from the war has murdered everybody…