A young man stalks his mother's killers.

The fictionalized story of Joaquin Murrieta, a real life Mexican bandit who terrorized California with his gang of raiders and cutthroats during the first half of the 19th century. Some saw him as a murderous outlaw, others as the Mexican Robin Hood.

In this western, a gambler wins a big Mexican ranch and decides to herd all of the cattle upon it into Texas. The crook enlists the aide of a few Mexicans, but they don't realize he plans to cheat them. En route, the cattle drivers are ambushed by banditos. They survive, but during the course of the struggle, the cattle hands learn the truth and ensure that justice gets served.

As there are still a lot of problems in the relationships of the Spanish couples Saint Valentine returns to earth and especially to Madrid in order to fix these problems.