Patrick Angus O'Toole is a military officer assigned to investigate a gang of gunrunners operating near Fort Sumner in the Dakota Bad Lands. At the fort, O'Toole comes to the aid of Mary Owen, who is being harassed by Captain Blake. The irate Blake gives Mary's cowardly brother, Hal, 24 hours to pay his gambling debt. In desperation, Hal robs the Pony Express, a crime for which O'Toole is arrested.

Cowboy Jack Horton searches for the killer of his father and brother, both of whom were found with an ace of clubs pinned to their bodies.

Girl's father who is in sore financial straits because of a corporation man is aided by stranger who reveals that his father was ruined same way by the same person. When this man is found dead suspicion falls on girl's father but the employer of murdered man confesses.

Richard Gilmore, a staid Wall Street broker, is jilted by Dot Parkhurst when he fails to provide her with the romance and adventure that she wants out of life. Richard then goes west in an effort to prove himself a man and becomes a highwayman known as "The Meddler," robbing people only to return to them all that he stole, keeping only a valueless memento for himself.

Jack Holt, Billie Dove, and Noah Beery Sr., who starred together in Wanderers of the Wasteland, appear together again. Madeline Hammond, the sister of ranchman Al Hammond, arrives from the East. Gene Stewart, a rough and rowdy cowboy, convinces Madeline to marry him while he is on a drunken spree. Madeline sets out to reform him, and he sets out to rid their little section of the West of a band of outlaws.

A mining camp girl attempts to reform a young derelict addicted to drink. Colleen Moore broke her neck in a fall from a moving handcar during the making of this rousing sagebrush melodrama. The pert Moore, an idol of her generation, quickly regained her mobility but was reportedly forced to sleep in a leather neck support for nearly ten years.

In Red Gulch Tom is married to Nell and has a daughter. He is shot by cardsharp Jim, who runs off with Nell. The little daughter, found wandering on the prairie by two wolf hunters, is adopted and named Prairie Nell. Fifteen years later, she is the pride of Bar X, when Tom returns, shoots Jim, and finds his daughter.

Whistling Jim is a 1925 silent Western.

Don Cesar De Vega crosses swords with a vicious member of the Queen's Guard, and steals the affection of a young heiress. When the officer frames the young upstart for murder, Don Cesar fakes his own death and retreats to the crumbling ruins of the family castle he plots his vengeance.

When Bill Croft, a notorious gunfighter, is bushwhacked, innocent rancher Frank Douglas is accused of the crime on circumstantial evidence and sentenced to be hanged. Jack Douglas, Frank's son, sets out to prove his father's innocence with the help of Jean, the murdered man's daughter; Jack eventually apprehends the killer and forces him to confess, but the sheriff is unable to stop the execution without an official pardon.

Two men claiming to be scientists arrive in Arizona looking for Blair, a fellow scientist who disappeared while developing a death ray. The men hire Jim Wilson, who finds Blair living with his daughter on a ranch in an inaccessible valley near the Grand Canyon, where the scientist is testing his ray on birds and wild animals.

Not only is Cody cheated out of his valuable property, he also faces trial on a charge of robbery and murder.

Oscar has been sent to the plains to make a man of himself, is soon visited by his sister Sybil Estabrook, who travels west along with her maid in tow. Oscar, who has been losing at cards to Victor Dufresne, is forced by him to rob a stagecoach in order to pay off his gambling debts.

Rangy Pete Grainger is a cowboy who saves a rancher and his daughter from being kicked off their property by the ubiquitous evil landlord.

This comedy-melodrama focuses on Marmaduke Grandon (Franklin Farnum), who's a drug store clerk with aspirations to be a movie star.

Caught by the Piutes, pony Express Rider Dick Carter falls in love with pretty Dorothy Earle, who belongs to that seemingly endless supply of white girls kidnapped in childhood and raised by Indians. Unfortunately, Dorothy is promised to Bud Osborne, described in a title as "a renegade white who dominates the simple minds of the savage horde." Does Dorothy succeed in taking her own life rather than face an uncertain future with evil Bud? Or does the stalwart Dick rescue her in time?

When Bob Smith brings in the outlaw Bob Moore he learns his real name is also Bob Smith. With his sister whom he has not seen since childhood arriving, Moore gets Smith to pose as him. The masquerade works fine for a while but then Moore's gang members plan to kill him and Smith must save the brother of the woman he now loves.

The foreman of a ranch owned by a pretty young girl captures a herd of wild horses, but the herd's lead horse manages to break them free. The foreman blames a drifting cowboy, Yak, for the break-out. Yak, however, seems intent on provoking a confrontation with the foreman at every opportunity--and, as it turns out, for good reason.