Cimarron is a wild town overrun by outlaws. Sunset, who was framed as a cattle rustler, has just been released from prison after 3 years when he winds up in Cimarron. On his first day there, he foils a robbery attempt of the express office and kills 2 of the 3 outlaws. The greatful town makes him sheriff and the next day, he foils another robbery of the gold in the express office. What Sunset does not know is that his brother Ted is the leader of the outlaws and was the one who framed him for the cattle rustling.