Jacob Merriweather is riding west to start a new life. He befriends travelling preacher, Sam Critchley, who suggests they go to a smallholding owned by his friends. But they find the Salingers shot dead. They report the murder to the local sheriff, and return to town, where they meet Marie Silversmith. She persuades Jacob and Sam to help her bring these killers of her close friends to justice. They are joined by tracker, Running Deer, in their challenging and dangerous mission.