A football star grown up in the East goes West in order to meet his father. He discovers that his parent and his three half-brothers are now notorious outlaws .

Cowboy Tim Hamlin arrives in a town plagued by a gang of cattle rustlers.

Tim returns from prison after being framed for murder to clear his name and retrieve the ranch taken from his uncle with a forged will.

Having briefly abandoned his standard "Nevada Jack McKenzie" characterization in Flame of the West, cowboy star Johnny Mack Brown was back as Nevada Jack in Monogram's The Lost Trail. Vowing to bring in a gang of stagecoach outlaws, Nevada redoubles his efforts when he learns that the owner of the stagecoach line is pretty Jane Burns (Jennifer Holt).

To get the herd on Six Gun Mesa, Carson has the owner and hands killed. But one hand, Dave Emmett was in town instead of with the cattle. So Carter kills a man and frames Dave for the murder. Johnny Mack Brown arrives just in time to stop the lynching and sets out to find the real killer. Getting the Doctor who falsified the murder evidence drunk gets him the information he wants and this leads to the showdown with Carson.

A doctor comes to the aid of local ranchers who are fighting to protect their water rights.

When an ex-outlaw becomes Marshall he must face up to his old gang.

Kirby sends his henchmen to break killer Matt Brawley out of jail. But Brawley has already broken out and they return with Fuzzy instead. Realizing they think he's Brawley, Fuzzy plays the part. He and Bill plan to round up the gang but Fuzzy is in trouble when the real Brawley shows up to expose the hoax.

Trains are being robbed by a gang led by an outlaw on a beautiful white horse. The marshal sent to investigate finds out the horse beings to the girl he's in love with.

Three lawmen hunt down thieves who are robbing a tungsten mine.