Tim McCoy shines in this superb sagebrush spectacle as a government agent falsely accused of murdering a professor. Taking the identity of a Mexican vigilante leader known as "the Puma" with hopes of tracking down the real killers. Now, he finds himself putting his cowboy skills to the test while trying to catch the varmints.

Tom Bentley plans to marry Alice Denton, but Sheriff Dan Bentley, Tom's father, is wounded and offers Tom the job as sheriff. Alice makes Tom refuse the job, but when Scar kills his father, Tom puts on the badge and takes off after him.

Unknown to the Morgan's, a secret mine on their ranch contains helium. Larkin knows of the helium and is after the ranch so he can sell the helium to foreign agent Strakoff. Ken finds the mine and the helium and sets out to help the Morgans.

Rancher helps a friend claim a spread he's inherited, only to get involved in his murder.

New York City street principles get an East Side kid in trouble at a Civilian Conservation Corps camp.

Street kids get sent to the country, where they get mixed up in murder and a haunted house.