A cop pretends to be a crook in order to catch a gang of outlaws. The bad guys run a night club as a front. The cop's sister helps him by singing there; otherwise, she's busy making love to a military cadet.
In 1863, having escaped from a rock-quarry prison in Salt Lake, six inmates led by convicted murderer Pete Black take over a small wagon train headed by preacher Jacob Karns. Tensions and hardships grow as the travelers continue to trek toward California across dry, desolate country.
US marshal Sundown Jim Majors main purpose in life is to bring a deadly frontier feud to a peaceful end. This requires him to clean out the local criminal element, which he does with determination.
Promoters set up a radio contest to find the average American and use him to sell food, apparel and notions. All goes well until he falls in love with a girl who upsets things.
