An outlaw gang tries to grab the land of the Sioux Indians, but a pair of cowboys seeks to thwart their plans. Based on Alson Jesse Simth's biography "Brother Van."An outlaw gang tries to grab the land of the Sioux Indians, but a pair of cowboys seeks to thwart their plans. Based on Alson Jesse Simth's biography "Brother Van."An outlaw gang tries to grab the land of the Sioux Indians, but a pair of cowboys seeks to thwart their plans. Based on Alson Jesse Simth's biography "Brother Van."