Clint Ritchie

A band of Mexicans find their U. S. land claims denied and all the records destroyed in a courthouse fire. Their leader, Louis Chama, encourages them to use force to regain their land. A wealthy landowner wanting the same decides to hire a gang of killers with Joe Kidd to track Chama.

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.