Cop Andy Doyle investigates a car-bombing murder and the killing of a sleazy modeling agency owner. Are they connected?

To get evidence against a crooked garage owner, a rookie cop masquerades as a hard case who wants a job as a mechanic.

A Korean War vet returns to his job as a railroad engineer and becomes involved in a sordid affair with a co-worker's wife and murder.

Ex-Pony Express rider Autry ties to protect his US mail franchise as the Pony Express gives way to stage coach mail and the telegraph. Gene's last film appearance as a singing cowboy.

Durango, aka Steve Rollins rides into town with saddle pal Smiley Burnette. The boys go to the rescue of pretty Kathleen Case, who is being victimized by greedy relatives.