Penny arrives in the West by aeroplane. She is considered a suspicious character and thrown into jail. Kurt Walters, a ranch foreman and deputy sheriff, discovers that she is the same girl that his friend, Jo Gary, met in Chicago. Gary fell in love with her, but she confessed she was a thief. Since Penny claims she wants to reform, Walters releases her and sends her to live with Mrs. Kingdon. In spite of her teasing and taunts (or perhaps because of them), Walters finds himself falling in love with Penny.
When a gang of outlaws put Andy Clyde's ranch house under siege, daughter Alice Day recruits college heart throb Ralph Graves to save daddy.
Johnny Arthur has been ordered to spend a year out west to toughen him up, so he and butler George Davis head out. The cowboys at the ranch don't like him, so Johnny and they play practical jokes on each other. However, when Virginia Vance is kidnapped, it turns out to be real desperadoes.
When wild horse Emma (Trixie the Horse) keeps opening the gates and freeing horses, ranch owner Molly (Molly Malone) hires Jimmie (Jimmie Adams) to deal with the problem. When he tames Emma, however, jealous ranch hands tie him up and kidnap Molly, so it's Emma to the rescue!
A notorious gambler and card cheat, George Forrester, rules a little western town with an iron hand. The men of the town plot to catch him cheating and do, but his men save him from danger. In the same town lives Gerald Austen, or Aitkens, who had left his tyrannical father in the east and made good in the west.
Harley Hennage, a gambler, loves Marie but remains silent when he realizes that she is in love with Oliver Corblay, a prospector. After Corblay and Marie marry, Harley moves to the distant town of San Pasqual and does not see his old sweetheart until her husband is killed while staking a claim in the desert.
Arizona range rider Lon Gilchrist helps stagecoach passengers fight off attacking Apaches. After rescuing a baby and binding her bleeding forehead with his handkerchief, Lon receives a reward that allows him to buy a ranch. Many years later, the rescued child, Lizzie Mayberry, is a waitress in a cheap restaurant, where she meets Lon, who, now wealthy, courts and marries her. Because he is so busy, Lon has his friend Del Beasley look after her. After a misunderstanding, Lizzie has Del take her to the railway station. Thinking that they left together, Lon pursues them.
Cattlemen attempt to keep their lands and herds from being overrun by nesters.
Dolly Mainard, en route to her father, a major at Fort Blaine, is escorted through dangerous Sioux territory by a cavalry detachment and Army scout Jim Cardigan. When Captain Blackwell offends some braves of Chief Gray Wolf's tribe, Jim is sent ahead to the Indian camp to ask for peace. Imprisoned by the Indians, he sends a message to Blackwell not to advance; Donlin, a renegade scout, tears the note in such a way that the message is distorted, and the entire force is killed. When Jim escapes, he is accused of treason by Blackwell, court-martialed, and sentenced to death; however, he escapes and rescues Dolly, her father, and Blackwell from Donlin's band of renegades. Jim discovers the missing portion of the note in Donlin's hat, proving his innocence. Dolly remains to become his wife.
Claim jumper Dave Marco and his boss Earl Foster, a crooked investment broker, hire chemist Ralph Brandon to falsify papers that a certain worthless mine is valuable then convince Ralph's mother to invest all her money in the mine. Ralph’s sister Holly meets Jack Mason, whose mine is actually valuable though not yet profitable, and they fall for each other. Once Mrs. Brandon finds out she has been duped, though forced into silence by the threat of having Ralph’s malfeasance exposed, and Marco attempts to jump Jack’s claim events come to a head until the happy conclusion.
After the train station clerk is assaulted and left bound and gagged, then the departing train and its passengers robbed, a posse goes in hot pursuit of the fleeing bandits.
War hero Captain November Jones tries to sneak into his hometown of Gold City, Nevada undetected but when he rescues a child from being run over by a train he’s recognized and obliged to receive the town's congratulations. Meanwhile, unscrupulous stockbroker Samuel Barnes and adventuress Teddy Craig are trying to get control of the Bluebird Lode from New Yorker Jackson J. Joseph, who is coming West to meet his daughter Nedra. Teddy tries to ensnare November to help fight Joseph, claiming he's trying to take her mine, but he refuses. Teddy's accusation of Jones's cowardice does not bother him until he falls in love with Nedra, who shuns him, believing Teddy's rumor. When Mr. Joseph is kidnapped and Jones saves him Nedra learns the truth and agrees to marry him.
When the Great Chief's body is placed before the funeral pile by his mourning braves, his sacred blanket is covered over it and a sentinel left to watch that this, his last resting place, is not desecrated. The tribe has just departed for their village when a mountain outlaw appears and succeeds in stealing the blanket, having given the sentinel doctored whiskey. When the Indians discover this they exile the unfaithful sentinel until he can recover the blanket.
Three Outlaws came across a stranded baby and must decide to save the child or escape from the law.
The life of Sam Houston, soldier, statesman, patriot and one of the founders of the Republic of Texas, is depicted.
Engineer Joe Dayton faces sabotage while constructing a railroad through the Canadian Northwest. Local bandit leader Jacques Durand attempts to stop the project, fearing it will bring law and order. Complicating matters, Dayton and Durand are look-alike doppelgangers.
John Ashby and Allene Houston, two neighboring ranchers, are in love, but their parents' violent dispute over the route of the new X. Y. Z. Railroad eventually drives them apart. Colonel Houston and the elder Ashby are killed in a fight, leaving John and Allene to continue the feud, John accepting a job with the railroad company and Allene swearing never to cross their property.
Esteban, a white boy, is raised by an Indian squaw, who believes she is his mother and from whom Beaugard steals the papers documenting Esteban's birth and his right to inherit a ranch. When he grows up, Esteban falls in love with Patricia Benton, Beaugard "exposes" Esteban to Patricia, and the villain taunts the boy, telling him that he has no right to a white woman.
Ruby Blackwell, typical young girl of Arizona, lives with her brother Tom, and their widowed mother in a cabin in the mountains. One day Tom takes Ruby on a lion hunt. They track a puma, or mountain lion. Tom shoots the beast, which, wounded, bounds into the canyon. Tom instructs Ruby to proceed to the ridge and await him there, while he follows the puma up the mountainside. Ruby discovers the cubs belonging to the puma which Tom has shot, and she immediately becomes so engrossed in playing with the huge kittens that she forgets the rendezvous her brother had appointed. Tom finally locates her. The cubs are taken home. They grow up around Ruby like friendly dogs. Pete Lopez, a bad Mexican, who admires Ruby very much, tries to steal one of them at night, after Ruby has refused to sell the animal to him, and the baby puma defends itself vigorously until Tom and Ruby rush to its rescue...
Martin Sondes is an easy-going cowhand going up against a shady, saloon owner called "Square Deal" Fenton, whose chief means of making money is befuddling cowpuncher's brains with liquor and then cheating and robbing them of their money.