The Sioux Indian chief and his daughter, Starlight, trick the Cheyenne brave into believing that Starlight will marry him, and her father gets a herd of ponies. Protesting against the .injustice, Swiftwind is attacked by the Sioux, and thrown over a precipice, but is saved from death by the arrival of Lieut. Randall, who carries the Indian to the fort and sees that he is restored to health. Swiftwind is very grateful. Later, his tribe attacks the Sioux, and annihilate them in a thrilling hand-to-hand fight. Intoxicated with their success, the Indians attack a stage coach, in which is Lieut. Randall’s fiancée, coming from the east to marry him. A sharp battle takes place, in which the stage escort is killed or driven away, and Martha becomes a prisoner, Swiftwind recognizes a picture of Lieut. Randall in a locket she is wearing, and tries to save her, carrying her in his arms to a place of safety. Randall, who has been knocked unconscious, recovers his senses and sees the redskin with Martha in his arms. Taking careful aim with his revolver he brings the Indian down, and is horrified when he learns the true situation. The soldiers arrive and Swiftwind is taken to the fort, where he dies in an affecting scene, freely forgiving Lieut. Randall.