 Dan Beattie gives up his lawman job to move further west and rejoin his old war buddy Curt Warren in the town of Sundown. At first mistaken for a railroad agent by Beau Santee, a Sundown businessman who wants to keep the railroad away from his town, Dan is nearly killed by Santee s henchman, Mark Faber. Dan discovers that his old pal Curt works for Santee. Even after learning Dan s true identity, Santee considers him trouble and plots to get rid of him. With the help of Curt s son Stony, Dan tries to get Curt to take a stand on the right side of the law.