In New Mexico Territory of the 1880s, Allyson Clayton is sent East to attend school against her wishes. The U.S. Marshal with a prisoner in custody is forced to accompany Allyson and her aunt in the stagecoach. Outlaws waylay the coach to rescue the prisoner, Morgan Coeur, who has been flirting with Allyson. When he invites her to join him, she accepts. Quickly learning she has made a mistake, Allyson strives to protect herself in the outlaws' lair...