In the late 1800's, a beautiful former prostitute (January Jones: 'Mad Men') is trying to build an honest life with her husband in the rugged plains of New Mexico. When she catches the eye of a sadistic and powerful religious leader (Jason Isaacs: Harry Potter series), her life is violently turned upside down. She embarks on a bloody course of vengeance with the assistance of a renegade sheriff (Ed Harris: Pollock, The Hours, A Beautiful Mind, Apollo 13) who has pretty violent tendencies of his own.