Millie Evans is used to a life of crime. But over the past year, she has changed, and she wants to leave her sordid life behind, even if her brother has other plans. While Sam leaves to join a gang of outlaws, Millie heads to Cheyenne, hoping her cousin can help her start a new life. But partway into her trip, David Stone boards the stage, and Millie's confronted with her past. David is on his way to England to claim his title and estate. Millie and Sam once tried to swindle David out of his fortune, and although she's filled with regret and tries to express her remorse, David remains unconvinced. Can Millie find a way to show her changed heart? Or will the past and a startling turn of present events prove too much to overcome?