In Southern California during the Mexican regime, Don Marcello, son of the territorial governor, returns home to find that his father's secretary, Mendozza, has seized power. The coup arouses the anger of the revolutionary faction, which forms an alliance with Don Marcello.
On her wedding day, Norma Huntley wants to tell Edward Berkley, her husband-to-be, her secret -- that she mothered a child out of wedlock which subsequently died. Her mother forbids her to reveal this. Only moments after the ceremony, it is discovered that the child, now three, is actually alive. Berkley, incensed at this turn of events, agrees to adopt the child and remain married for appearance's sake -- but when he finds the father, he will kill him.
Robert must avenge his son who was killed in a workplace accident.
The tough outlaw 'Sierra' Bill falls in love with the traveling girl violinist Nelly Gray. Sierra forces her into marrying him. They have a child, but family life is interrupted by the gambler Ringe, who not only persuades Nelly to leave her husband but ruins Sierra at the gaming table. With thoughts of vengeance, the angry Sierra breaks out of jail and goes after Ringe.
Outlaw Black Deering leads a band of desperadoes, but decides to give up the bandit life. Agreeing to go on one last job with his gang, he is captured when his henchman Jordan betrays the gang for the reward. Deering escapes and determines to avenge himself on Jordan.