Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.

A rancher is murdered after discovering that 40 head of his cattle have been rustled. A neighboring family is accused of the crime and flees across the border, then tries to find the real killers to clear their name.

Jay Price's dying mother tells him his real name is Jack King and gives him a locket as proof. At the King ranch he loses the locket which is found by the foreman. Hoping to regain his proof, he hires on as a ranch hand knowing the foreman is the outlaw known as the Hawk. But trying to prevent the Hawk from rustling cattle, he is captured by the Hawk's men.

Desperados menace a mining operation.