A man released after a jail term for a crime he did not commit, raises a gang to go after the man who framed him.

Bill Kiowa is released after five years in jail and hires four skilled men for his gang: tough O'Bannion; Sheriff Jeff Milton; gunman Bunny Fox; and gambler Francis 'Colt' Moran, using the money his father gave him. Bill seeks revenge against the sadistic leader of the Comancheros, James Elfego, who killed his Indian wife Mirana Kiowa and framed Bill, sending him to prison.—Claudio Carvalho, Rio de Janeiro, Brazil