A mysterious master criminal known as The Voice plots with his gang to sabotage the Milesburg Oil Company, but the rightful heir has a secret army of her own to protect her rights.

Chasing the man who had caused the death of his sister, Jack Walsh rescues Mary Winters from the unwanted attentions of a drunk, and learns that she has been lured to Mexico by the false promises of an ex-prizefighter "Kayo" Mooney. The latter kidnaps Mary but Jack wins the showdown and Mary, and finds that Mooney is the man he was looking for.

A naive young girl becomes infatuated with a crooked city slicker. A cowboy who loves her is determined to expose the crook for what he is.

Dick Rawlins, a cowpoke on the Jackson ranch, is in love with Inez, the beautiful daughter of the ranchowner; planning to ask Inez to marry him, Dick goes to town to buy her an engagement ring, eventually going into hock to Bob for $500. When Dick returns to the ranch, he learns that he has been fired as the result of a mysterious stranger's testimony. Dick goes to the bunkhouse and sacks out; whi...

Against explicit orders, a vainglorious cavalry major insists on counterattacking a gang of hostile Sioux Indians. His captain refuses to comply and is arrested for insubordination and cowardice.

An outlaw decides to hang up his guns and lead the "straight" life. His foster son falls for the daughter of a wealthy estate owner. The crooked manager of the estate wants the girl for himself--so he can control the estate when the father dies--and tells the father that the boy is an outlaw's son.