Outlaws Phil Bowen and Sam Lewis rob a stagecoach carrying Roulette Sue, the mining camp belle. Phil and Sue fall in love at first sight. When the alarm is given and the miners prepare themselves to pursue the bandits, Sue rushes to their hideout and warns them, but Sam’s unwanted advances toward her cause a bitter rift between the two partners. Days later, Sam corners Sue at a tavern. Phil hides nearby and shoots Sam to protect her. Believing Sue fired the shot, a dying Sam fires back and kills her. Sam is captured for his crime, ending the tragic romance born from the outlaw's love for the camp belle.