A group of ruthless convicts is led to prison through an inhospitable mountain range by a small cavalry detachment commanded by Sergeant Brown, who is accompanied by his young and beautiful daughter.

California, 1848. An invading army has defeated the few opposing forces and the territory has become part of the United States. Don César de Echagüe, an old gentleman, begs his son César to return from Europe, confident that he will know how to confront the oppressor.

Eudosio and Carlos were imprisoned by mistake. Now out of prison, are trying to get a job and to adapt to a society that rejects them.

Eudosio and Carlos were imprisoned by mistake. Now out of prison, are trying to get a job and to adapt to a society that rejects them.

Three unequal brothers seek revenge for the murder of their father. Each of them goes a different way.

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".

The elderly O'Hara, owner of a fortune in emeralds, offers half of his estate to whoever manages to get him out of jail. The adventurer Don Casey arrives in the town of Guaynas, ruled by the tyrant Villarde, to fulfill that wish.

The elderly O'Hara, owner of a fortune in emeralds, offers half of his estate to whoever manages to get him out of jail. The adventurer Don Casey arrives in the town of Guaynas, ruled by the tyrant Villarde, to fulfill that wish.

Don Ramon, a wealthy patron, receives his son back after he has sent him away to medical school, only to have him fall in love with his new young wife.

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.