Sheriff Bill Jones, in the line of duty, kills outlaw Joe Land and adopts his young son, Tim. They come upon a former silver boomtown, reputed to be haunted, whose only inhabitant is Hiram McDuff, a friend of Bill's. Ranch owner Joan Stanley hires Bill and Tim. Her father has been killed by the gang of Wolf Larson. By mistake, McDuff hires the Larson gang on as ranch hands for Joan. They plan to steal the stock while Bill is away. Tim overhears the plot and informs Bill. Bill and Tim use ghost makeup, skeleton sheets (even outfitting their horses with skeleton-looking blankets) and tricks to rout the superstitious gang members...
Reb Russell (Reb Russell), undercover agent for the Cattleman's Protective Association, goes into the stronghold hideout of rustler chief Bull Thompson (Fred Kohler) posing as an outlaw. He falls in love with Marion, Bull's step-daughter. Juan (Dick Botiller), a gang member once jailed by Reb, reveals Reb's true identity, but he will be given his and Marion's freedom to leavy the valley if he can beat Thompson in a fight. He does, but Butch Greer (Jack Rockwell), a gang member trying to take over from Thompson leads the gang after the pair, after first revealing to Thompson that Reb is Thompson's own son, whom he last saw as a baby when Thompson, then known as Big Bill Russell,was forced to flee the law. Thompson and loyal gang member Blackie (Edmund Cobb), who was once helped by Reb, go after the gang in an effort to help Reb and Marion escape.
Safely from behind some shrubbery, Johnny Hume, a boy of 6 or 7, witnesses the slaughter of his mother, father and brother by the guns of a gang led by "the Cat". Twenty years later finds Johnny grown to manhood, an expert bronc rider and target shooter - but paralyzed with fearful memories in an actual gunfight. This is brought home to him when some outlaws stick up the local saloon and Johnny ends up cowering behind the bar.
It's roundup time and Stevens is out to start a range war between the big ranchers and the nesters. Tim Malloy is elected to head the roundup but is unable to stop the war and joins the nesters. With the nesters now well organized, Stevens finds a Malloy look-alike and makes a plan to use him to trap the nesters and wipe them out.
Clay Tallant comes to Silver City, Arizona in the 1880s and encounters wide-spread lawlessness and disorder, unscrupulous politicians, outlaws galore and brow-beaten citizens. He accepts the position of town marshal and, with his brother and a reformed outlaw , Tex Randolph, who comes over to his side, sets out to bring law-and-order where none exists. He also wins the hand of the singer appearing at the Opera House.
When John Mason's father is killed, John is wounded. Attracted to his nurse Alice, a conflict arises between him and his friend Ben who plans to marry Alice. John later finds the killer of his father but goes to face him not knowing Ben has removed the bullets from his gun.
A thug robs and kills a fur trapper. He is caught and locked up by the Mounties, but is soon broken out by his partner. As the Mounties investigate, they discover that the two are part of a ruthless crime ring run by a female gangster.
A rancher is murdered after discovering that 40 head of his cattle have been rustled. A neighboring family is accused of the crime and flees across the border, then tries to find the real killers to clear their name.
Two prisoners, Steve Brandt and Nick Montana, chained to each other, escape by jumping from the train that brought them to the penitentiary. Persued, they hide in the carriage with Jane Langton. Arriving at her ranch, they discover that she is fighting against a Pete Sutton, who wants to take her pasture. Not wanting to confront, Sutton offers the two escapees help by assisting them move to Mexico.
Cesare Campo is a hard-riding and hard-loving Argentine gaucho. Yvonne LaMarr is a famous Parisian singer on her way to play an engagement in a Buenos Aires cabaret. THe plane she is flying in is forced to land on the Pampas. Campo and his riders take the passengers to a hotel. Yvonne and Campo quickly fall in love, but she had to leave to make her singing engagement in Buenos Aires. Campo follows her and discovers that his horse that was the favorite to win the Big Race has been stolen.
A man posing as Mark Henry is after Henry's oil land but Henry's niece is part owner and he needs to marry her off to his henchman Slager. Mountie Jim Sullivan arives posing as a wanted man and is soon caught up in the plot when Slager, wanting everything for himself, kills his boss and makes Jim a prisoner.
When Morley has his own bank robbed, Tom tries to break it up. Mistaken for one of the gang, he is caught and sentenced to a chain gang. His girlfriend Peggy then sets out to prove his innocence.
The McLean and Brennan ranches are both losing cattle to rustlers and each blames the other when cattle buyer Graves is the real culprit. To throw suspicion off himself Graves hires Tim to investigate, not knowing that this will be his downfall.
Driving off an Indian attack, the soldiers capture one of the Indian rifles only to learn that it came from their own warehouse. With Lieutenant Bentley and Sergeant Luke having the only keys to the guns, Bentley finds himself under suspicion and starts to investigate.
O'Brien is "Whispering" Smith, so named because he speaks softly but knows how to fend for himself. The son of a railroad president, Smith is determined to learn the business from the ground up, so he gets a job as a track walker for his dad's rail line. While going about his duties, he meets Nan Roberts (Irene Ware), who is about to sell her Colorado ranch. Smith finds out that there are valuable tungsten deposits on her land and makes certain she won't be cheated by the villains
Flash Carson is after the Conroy ranch. Having killed Conroy, he is now after the heir Billie Conroy. But there is another heir and it is Tom Manning who arrives posing as an outlaw. He gets accepted into Flash's gang where he hopes to learn the truth about Conroy's death.