Emmet Honeycut, a sniper during the Civil War, shoots a girl about to burn to death in a hotel fire. Although acquitted of murder, he becomes a pariah in town, but is reprieved by a telegram from Major Kingston, his former commander. Kingston's niece, Faith, has been abducted and he offers Emmet money to join his rescue party, which includes a beautiful woman whom Emmet comes to love. Enrique Salazar and Yago Garza are merciless cousins who control Santa Sabino and who plan to auction off young girls, including Faith, to wealthy landowners as sex slaves. When Kingston is betrayed and captured, Emmet is forced to lead the rescue mission to save Faith and free the girls.