Andy Barden, Edna Jordan, and Dan Murdock are the three claimants to the valuable mine of the late Abner Ferrige. Edna takes possession but Murdock gets her to leave and while the three are away his men take possession. But when the Lawyer arrives to announce that Ferrige never filed, everyone rushes off to be the first at the claims office.
As a boy, Tom Morley, was forced to watch the killings of his foster parents and the abduction of his foster sister. When he reaches manhood he joins the Texas Rangers and becomes very good at tracking down outlaws; whereby, he is given the nickname "The Falcon". He finally tracks down his long lost foster sister who has become a spy for the outlaws.
"The war with Mexico serves to bring together American officer and Mexican senorita, the former all ardent and the latter defiant because of the fact that their countries are at war. Coincident with the American victory is the successful conquest by the 'gringo' of the girl's heart."
Horses are being rustled by outlaws known as the Hell Hounds. When the Sheriff is killed, his Deputy Yak takes over the search for the rustlers. John Lawson says Yak cannot marry his daughter until the murderer of the Sheriff is caught. But unknown to Lawson, the murderer is his own son.
A cowpuncher is out for revenge on the gent who seduced his sister into a dance hall by advertising for a school teacher and then finished her off before he blew town. Rex the Dog and Starlight the Horse do their part in Jack Perrin's victory over the villain and his assistant.
Sheriff is aided by Laramie who pretends to be an outlaw to infiltrate a gang of bootleggers. Laramie is attracted to Ellen, who is trying to activate an old mine. He helps her with the mine and captures the bootleggers.
Maj. John Furth, a Southern race-horse owner, borrows money to enter his prize racehorse Blue Bird in a race back east, hoping to win enough money to replenish the family fortune. A crooked horse trainer, planted by the man who loaned Furth the money and who wants to marry his daughter Barbara, claims that Blue Bird is a "man killer" and must be shot. Charlie, a neighboring miner who also loves Barbara, doesn't believe it and takes Blue Bird to his mine. Complications ensue.
Buffalo is banished to the wilderness after playing a nasty practical joke on his rancher father. During his exile, Billy meets and falls in love with pretty Patricia Farris, who sadly rejects him when he tries to steal a kiss.
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.
Dave Saulter, a rambling young cowboy drifts into a small western town the day a big gold shipment is leaving by stagecoach. Two different people plan to rob the stagecoach...Buck O'Hara, the driver who is very trusted, and a stranger, Texas Jack. Dave gets involved and is accused of being one of the robbers.
Hank Kinney, a ranger, witnesses the accidental death of a man and the survival of a motherless infant. Kinney asks the county sheriff to process adoption papers and goes with the child to take up the mining claim left him by his father. Sam Bruce, the richest and most hated man in Copperville, tries to jump the claim and swears vengeance when Kinney kicks him off the property. Kinney strikes up a friendship with Ruth Buxley, daughter of the general store proprietor; and Bruce, who covets the girl, instigates a rumor that Hank is unfit to rear a child and sends the sheriff's posse to get the the baby.
A longstanding friendship between Julius Decker and Joe Billings, neighboring ranchers, is broken by a series of mystifying occurrences, and their relationship ultimately develops into a feud.