An aristocratic Englishwoman, Lady Cornelia Locke, arrives into the new and wild landscape of the American West to wreak revenge on the man she sees as responsible for the death of her son.
As Eli and Cornelia reach Powder River, a violent attack on his hayrick forces Trafford to make a difficult decision, and Marshall discovers the truth behind the branding. When Melmont finally returns to Wyoming, the stage is set for a violent confrontation.