Jimmy and Cannonball find the body of Don Muquel after he has been shot and robbed by henchmen Ramsay and Sturgis. Jimmy is accused of the crime by Jose Esteban but the latter's rich uncle, Don Esteban, clears his friend Jimmy. Jose accuses the the settlers, led by John Chambers, of confiscating the land of the native Californians, through murder and theft. Actually, surveyor Willard Jackson is making forged copies of stolen land-grant papers after his men have killed the rightful owners. Playing both ends against the middle, Ramsay urges Chambers and his daughter, Diane, to drive off the Californians.

Johnny Brownell, former Confederate officer turned Federal agent, is sent to Texas during the reconstruction years to obtain evidence against a gang of raiders who have been making life difficult for the local carpet-baggers. He saves the life of Shorty Kendall, an unreconstructed rebel about to be hanged, and this wins him the gratitude of Belle Chambers, a widow whose husband was killed in the Civil War who hates all Yankees with a fever.

In this western, a cowboy and his pals must stop outlaws from stealing a cache of gold ore. Action ensues, and they succeed.

An agent (Tim Holt) goes undercover as an outlaw and almost gets lynched.

Hopalong Cassidy and Johnny Nelson ride to the mountains to help a man and his daughter save their logging business from someone who is sabotaging their efforts.

Hoppy, Lucky and California search for a mine owned by Trudy Pendleton after it was taken from her by thw swindling gambler Ace Gibson. They find the mine and Hoppy fights Gibson over it.

Hoppy, California and Johnny come to the ranch of a friend and his daughter, disguised as dude detectives from the east, to investigate the disappearances, without a trace, of several herds of cattle.

Stephen Westcott and Ed Martin scheme to put Jane Travers' wagon line out of business. They want to use it take over all the wagon- train traffic going west. Hoppy, California and Lucky must make sure that doesn't happen.

Joe Weller has instigated a conflict over water rights between two ranchers. The idea is to have the ranchers do each other in then move in and take over. Hoppy and the good guys won't let this happen.

Roy Rogers, Smiley Burnette and the Sons of the Pioneers go undercover to help Texas Governor Russell Hicks stop World War II Axis sympathizers from blowing up U.S. warehouses.

Rancher Rusty Williams is away at agricultural college and leaves his spread in the hands of his older cousin Shorty. Shorty wants to do more than run a ranch, however -- he wants to prospect for gold, but he has no money. He recruits a pair of partners in the guise of two runaway vagrants and a pair of backers in two stranded singers. But then Rusty shows up, and his four somewhat bumbling hired hands manage to compound Larry and Curly's deep ineptitude, and Rusty wants them all out of his hair.

With the backing of the Mayor, Brady is running a crooked gambling operation. When Sheriff Curt shuts him down, he reopens when the Mayor charters his place as a private club. When Curt decides to run for Mayor, he is made to shut down the popular Warren medicine show. With Curt now out of favor the Warrens decide to run their daughter for Mayor and Brady has a plan to stop her also.

Stage line owner Brent has his men robbing Halliday stages and when his manager Waring learns of it, Brent has him killed. Jeff Waring arrives and takes his uncle's job. He soon learns what's happening and the Durango Kid goes into action. This keeps Halliday going and gives them a chance to get the mail contract by winning the stagecoach race.