John Cannon is accused of killing the daughter of a Mexican sheepherder and is condemned to death unless steep ransom is paid.

Escaped convicts Mitch, Cable, and Kolos accidentally kill the girl while heading for Tucson to reclaim stolen money. They escape the sheepherders by forcing John to change into the prison clothing of the inarticulate Kolos. John is captured and condemned to death, but Manolito promises money for John's release. Buck and Billy Blue fail to raise the ransom