During the War of Independence, a group of Southern soldiers form an alliance with the Apache Indians for the purpose of hunting down and killing the Northern soldiers stationed at Fort Worth.
When Bob Carey is released from prison after a long sentence for murder, begins the search for Mary, his former girlfriend. But soon he finds out that during his absence, she has married Clifford, a wealthy landowner. The happiness of that marriage is only apparent, Mary, in fact, is seriously ill, suffering from a brain tumor whose pains she attributes to an imaginary pregnancy. It becomes necessary to bring to the city of Laredo for an operation, so Clifford sells all his possessions and begins the long journey towards hope. Soon others will join the expedition: a former army scout named Rogers, a nice Chinese cook, Lin-Chu, and a mestizo that responds to the name of "Bets".
Guzman, a rich U.S. landowner is forced to leave for a short time, leaving his pregnant wife alone in the ranch. That night, a group of bandits, believing that the house is empty, enters with the purpose of stealing. She surprises them and they kill her. When Guzman returns, he finds in the fingers of his dead wife the tie pin of the murderer. Then, with the help of a Portuguese and a Mexican friends,he begins his revenge.
A battle between revolutionary Mexicans and the U.S. cavalry brings Zorro onto the scene to enact vengeance for violent acts incurred by the cavalry Sergeant. Once the Sergeant is killed, Don Jose de la Torre retires from being Zorro and settles down to live a quiet life. The brother of the Sergeant, in an act of his own justice, dons the costume of Zorro and terrorizes the countryside. In an act to draw out the true Zorro, the imposter kidnaps Don Jose's wife, making him once again don the mask to rescue her.
The mysterious death of a man who is about to leave a small town in Kansas with his girlfriend triggers a chain of unfortunate events that will only end when another man completes a relentless and bloody revenge.
Don Jose disguises himself as Zorro, the masked freedom fighter, who tries to protect his people from the wrath of an evil military officer who is using his position to his own advantage.