When five men, led by notorious killer Ernest Jones, flee from a posse, they cause untold havoc and destruction. After killing a farmer and ravishing his daughter Gwendolyn, they flee. The ordeal has left Gwendolyn with a thirst for vengeance and, concealing her gender, she rides out in hot pursuit. Finding a job with Sheriff Humphrey Quigley, Gwendolyn is persuaded to infiltrate the Jones gang in order to deliver them to the sheriff and to the gallows. But violence and death dog every step as Gwendolyn fights to survive among the brutal outlaws, whose motto is shoot first and fast. Can she keep her identity secret long enough to bring these thugs to justice?