Jerry, Reno and Paco are in prison, where they meet a young Mexican man who claims he has been convicted for a crime he hasn't committed. Mysteriously, the three men are released of prison and proceed to prove the Mexican man's innocence.
Ringo comes to a Mexican village, searching for his brother from whom he has heard no news. He comes with a sheriff who immediately has work on his hands, as those who get killed are certainly too many.