Cholita, after a long absence in Mexico City, is returning home to take up her duties as head of the rancho and, as everyone expects, to marry her childhood sweetheart José. Expectations are somewhat dashed as she shows up with Fernando to whom she is engaged. This makes José and Cholita's uncle more than a little bit put out as Fernando is not only not a Mexican, he is also a city slicker afraid of the country.
Billy the Kid has been wrongfully arrested for robbing a train. In order to prove his innocence, the Kid breaks out of jail and hits the trail to search for the real robbers. Along the way, he discovers that an outlaw band has been impersonating upstanding ranchers.
Americans come west to California in the hope of peaceful settlement. Roy and Gabby sing a duet: "We're Not Coming Out Tonight." Other songs include "Sundown on the Rangeland" and "Ride on Vaquero."
Stanton breaks Billy and his two friends Fuzzy and Jeff out of jail. He wants them free so three of his men can impersonate them for the robberies and murders he has planned.
Trouble in Colorado is tying up Union troops needed back east during the Civil War and Lieut. Burke is sent to investigate. Macklin and his gang are causing the problems and Capt. Mason joins them. When Burke catches up with them he also finds Mason, his brother.
The Carson City Kid and partner Laramie are outlaws. When his partner is caught the Kid, his identity being unknown, takes a job in Jessup's saloon. Here he see Jessup cheat Waren out of his money. Warren then robs Jessup posing as the Kid but gets caught. To gain his freedom, Laramie identifies Warren as the Kid. Realizing Jessup is the man that killed his brother, the Kid must find a way to clear Warren and get Jessup.
Wanted by the law in New York, Dr. Steve Kells heads west and arrives in an area controlled by an outlaw gang known as the Border Legion. When the gang's boss is wounded, they kidnap Kells and force him to remove the bullet. Not allowed to leave and being a wanted man, he joins the gang. Now wanted as a gang member also, he nevertheless plans a raid that will lead the entire gang into a trap.
Sue Farnum inherits a circus, but her dead father's partner is trying to take it away from her. Roy and Bob Nolan are filming a movie on location at the circus. They and a number of other western movie stars come to Sue's aid, putting on a show and catching the bad guys.
The mayor has sent for a gunslinger who, though appearing to clean up the town, is really to be the mayor's means of taking the town over. When Roy and Gabby arrive in Tombstone, Roy is mistaken for the gunslinger. Just as Roy is ready to expose the mayor, the real gunslinger shows up.
Sandwiched in between the numerous musical numbers, the Gabby Whittaker and Madden rodeo's are competing for bookings. When Gabby gets a date in Albuquerque, Madden has his man destroy his equipment. Roy finds a broken rawhide rope at the scene and uses it to bring Madden to justice.
Bad guys plot to trick a newly arrived Eastern girl out of a ranch which belongs to her infant ward. Roy, of course, saves the ranch for the girl. Songs include "I'm Headin's for the Home Corral," "He's a No Good Son of a Gun," "Sandman Lullaby," "Song of the San Joaquin," and "I'm a Cowboy Rockefeller."
Billy Carson and Fuzzy Jones have just collected a reward and Fuzzy indulges in a dream of getting away from the hectic life he has been leading and wants to settle down. They arrive in Red Rock just as the newspaper is being sold at foreclosure and, despite the attempts by Lafe Barlow to intimidate him from bidding. Fuzzy finds himself the owner of a newspaper. Fuzzy meets Edith Martin, daughter of the former owner, and unthinkingly commits himself to carrying on her father's policy of bringing a telegraph line to Red Rock. For reason of his own, Barlow is against this and has his henchmen wage a campaign of terror against the ranchers and citizens. Before long, Billy who had been lazily indifferent to everything connected to Fuzzy and his newspaper, decides to take a hand on the side of the good guys.
Julie's husband has been murdered and land agents want her to sign away her property rights. Hoppy warns against this but she does so anyway. It looks as though she will be unable to deliver the timber called for in her agreement. Hoppy has to make the lumber deal happened and solve the murder.
In the midst of some friendly horseplay on their "Flying R" ranch, the Range Busters, Crash Corrigan, Dusty King and Alibi Terhune, are sobered by the arrival of a buckboard bearing their old friend Larry Meadows and his niece Dorrie Willard. Meadows seeks their aid against a gang of outlaws terrorizing his town. Ernie Willard, Dorrie's brother, has been taken in by Tex Laughlin who is using the Willard ranch as an undercover for his real occupation as a member of a gang of outlaws led by Tim Douglas, a supposed friend of the Willards.