Karl Westover, an inexperienced farm boy, runs away after unintentionally killing a neighbor, whose family pursues him for vengeance. He meets Barbarosa, a gunman of near-mythical proportions, who is himself in danger from his father-in-law Don Braulio, a wealthy Mexican rancher. Don Braulio wants Barbarosa dead for marrying his daughter against the father's will. Barbarosa reluctantly takes the clumsy Karl on as a partner, as both of them look to survive the forces lining up against them.

Carefree single guy Charlie Waters rooms with two lovely prostitutes, Barbara Miller and Susan Peters, and lives to gamble. Along with his glum betting buddy, Bill Denny, Charlie sets out on a gambling streak in search of the ever-elusive big payday. While Charlie and Bill have some lucky moments, they also have to contend with serious setbacks that threaten to derail their hedonistic betting binge.