Red Ryder returns to Sioux City, Wyoming, at the close of the Spanish-American War, settling down at the ranch of his aunt, The Duchess, with his pals Little Beaver and "Blizzard". But Red soon discovers that the country is over-run by rustlers.
Tensions erupt within an Arizona cattle baron's household when his three sons vie for control of the ranch.
When a crooked sheriff murders his employer, William "Billy the Kid" Bonney decides to avenge the death by killing the man responsible, throwing the lives of everyone around him into turmoil, and endangering the General Amnesty set up by Governor Wallace to bring peace to the New Mexico Territory.
Working as an assistant on a long cattle drive, the young Ben Mockridge contends between his dream of being a cowboy and the harsh truth of the Old West.
A honest cowboy is falsely accused of the murder of a rancher.
Disguising himself as a milquetoast Easterner who writes Western novels, Hoppy enrolls in a dude ranch in order to unmask the murderer of the owner's husband.
Hopalong Cassidy, boss of the Bar 20 ranch in Texas, rides down the Camino Real in the New Mexico cattle country near Alamogordo, in response to an urgent message from his lifelong sweetheart, Nora Blake, who is in serious trouble. Before he and his saddlemates, "Lucky" Jenkins and "Pappy", can reach her ranch, they are stopped by Clay Allison, a cattle-rustler who is in almost complete control of the district, and wants to extend his holdings by seizing Nora's cattle and driving her out. Seeing Cassidy as a menace to his plans, he has him arrested on a trumped-up charge. Cassidy and his pals shoot their way out of the trouble and reach Nora;s ranch where they learn that Allison's henchmen have murdered her foreman, Tom Dillon, and Allison has sent for a crew of outlaws on the Texas border.
The local school is causing Hoppy problems. First Bar 20 cattle are stolen when Hoppy investigates a problem there. Then the new teacher arrives and disrupts the routine of the Bar 20 hands. Later with the Bar 20 hands at graduation, the rustlers are poised to strike again. But there is dissension among them and this will lead to the break that Hoppy needs.
Dare Rudd takes a shine to his cattleman cousin Tom's girlfriend who asks Tom to hire Dare to head the big cattle drive. Dare loses the money for the drive to cardsharps, but Tom wins it back, but Dare must save Tom's life.
A cattle baron takes in an orphaned boy and raises him, causing his own son to resent the boy. As they get older the resentment festers into hatred, and eventually the real son frames his stepbrother for fathering an illegitimate child that is actually his, seeing it as an opportunity to get his half-brother out of the way so he can have his father's empire all to himself.
A cowboy arrives to help a girl who has a note due. He plans to sell her cattle to raise the money but they are stampeded and most are killed. Knowing who stampeded them gives him another plan to get the money.
Broke and in debt, an otherwise honest cowboy and his buddy get mixed up in some shady dealings with a crooked cattle dealer.
Shadrach Jones, ex-Texas State Policeman, has the ruthless determination to find and kill the man who shot his brother in the back and stole the money with which he was to buy a ranch for the two of them. At the saloon-hotel run by Adelaide, Shadrach is convinced that one of the cowhands on the Captain McKellar cattle drive to Montana is his man. He takes the job of trail-herd boss to find the killer. McKellar preaches to Jones that he should forget revenge and let the law of retribution take care of the killer. Shadrach's hard driving of the men and his hunt for the killer makes him bitterly hated, and his retribution quest ends in a manner he did not anticipated.
A young woman inherits her father's large Texas ranch and plans to begin a cattle drive to Abilene, Kansas, 1000 miles away. The crooked State Treasurer plans to attack the cattle drive and steal all of the stock so he can gain control of her ranch.
A noted gunman takes a job on a cattle ranch to stop a band of rustlers.
In 1864, during the American Civil War, Mexican cattleman Alvarez Kelly supplies the Union with cattle until unexpected circumstances force him to change his customers.
One man wants to control all the land in the state to graze all his cattle. His band of outlaws are raiding ranchers and homesteaders, trying to drive them out. Rocky and Fuzzy are brought in to help stop the raiders and keep the land for the small ranchers and homesteaders.
Captain Porter's scheme is to buy livestock and then have his men show up later to kill the buyer and retrieve the money. When his men kill the next victim, he frames the Arizonian for the murder. The Arizonian escapes the law and joins up with the outlaw Vasquez. Knowing Porter's scheme, he plans to trap him by using Vasquez as the next buyer.
Mortimer builds a fence for the cattle brought by Ken Morley. To retaliate, Slater who wants access to the land, builds a dam cutting off Mortimer's water supply. When Ken confronts Slater, he is captured. Then lightning destroys the dam and Ken, imprisoned in a shack, is in the path of the oncoming water.
A drought is about to end the cattle business. The owner of a canning factory wants to buy all the remaining cattle cheap. He plans to ruin the cattlemen's plans to ship water by train and to seed the clouds for rain. Roy is sent by a packing house to investigate.