In Mexico Cheyenne finds a wounded man he takes to a local village which has a female doctor. He quickly learns the town is being held hostage by a vicious bandit who will burn the village if he doesn't find who shot two of his men.
Cheyenne is deputized to look for Marshal Beloin who has been on the trail of an outlaw named Porter for over a month. He comes upon two men, chained together, one wounded and one dead. He takes the wounded man who says he is Beloin to the nearest town where they find the female doctor Maria Vargas and the outlaw gang run by the feared Lobos. Vargas treats Beloin but a knock on the door brings Lobos and his gang. Lobos' second in command Ortega wants to kill the men but Lobos impressed by Cheyenne's bravery allows them to stay until well enough to leave. Vargas tells Cheyenne that Lobos is on the trail of the man who shot two of his men while trying to kill Lobos. He executed two townspeople but still wants the guilty party. If the real shooter doesn't turn himself in by noon the next day, Lobos plans to burn the village with everyone in their homes. Cheyenne learns Beloin is Porter and the killer. A showdown is forced as the Federalis approach the town and Cheyenne tries to stop the ... Written by