U.S. Marshal Dave Upjohn arrives in Sundown to investigate reports of lawlessness and is met by Sheriff Mace Arnold and his deputy, Lefty Brant. Knowing that an investigation will disclose t... Read allU.S. Marshal Dave Upjohn arrives in Sundown to investigate reports of lawlessness and is met by Sheriff Mace Arnold and his deputy, Lefty Brant. Knowing that an investigation will disclose that they have being using their office to rob the ranchers, they murder Upjohn. When his s... Read allU.S. Marshal Dave Upjohn arrives in Sundown to investigate reports of lawlessness and is met by Sheriff Mace Arnold and his deputy, Lefty Brant. Knowing that an investigation will disclose that they have being using their office to rob the ranchers, they murder Upjohn. When his son Steve, posing as Steve Carlton, learns of the murder, he vows vengeance. Arnold's gang ... Read all