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 this western, a crusty old sourdough finally finds the silver mine of his dreams only to find his mine threatened by vicious outlaws. Fortunately, a cowboy hero rides up to save him, but not until considerable rootin' tootin' action.
Johnny Mack Brown and Raymond Hatton return to the screen as saddle pals Nevada and Sandy in Monogram's Pals of the Border. In this one, our heroes are US marshals, hot on the trail of cattle rustlers.
Horse breeders Adams and Brock are vying for the Army contract. When Adams is killed trying to ride his horse Trigger, Roy saves the horse from being shot. He trains him and then plans to ride him in the race to win the contract.
When Ranger Hoppy's falsely accused young ranger friend is killed while supposedly trying to escape from jail, Hoppy is blamed and drummed out of the Texas Rangers.
Roy returns home to fine a range feud between the cattlemen and the sheepmen. When his friend is killed he finds the rifle had a defective pin. He learns the rifle belongs to a ranch hand named Barker and that a third party has caused the feud. When he captures outlaws trying to blow up a dam, he claims Barker was the killer. But Barker has switched rifles and the outlaws now accuse Roy and Roy finds himself in trouble.
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.
A man of no worth brags to his daughter back East that he is rich and owns a big ranch. When she decides to pay a visit to her father, Roy and his buddies agree to pretend that the poor man is the owner of the ranch.
As rustled cattle have mysteriously disappeared, Johnny sends for his friend Hoppy, Hoppy arrives and immediately suspects Dan Slack. Realizing his telegram about Slack was intercepted, he locks up the operator Lafe knowing he can escape. Tailing Lafe he finds a secret entrance to a mine and inside finds the missing cattle. But Slack's men also find him just as the cattle are stampeded through the mine shaft.
Ken McLaughlin is a precocious 10-year-old who lives with his family on a remote Wyoming ranch. When Ken returns home from school with failing grades, his father, Rob, blames the boy's lack of personal responsibility. At the suggestion of his wife, Nell, Rob allows Ken to choose a single colt from the herd to raise as his own. Much to his father's dismay, Ken chooses a fiery mustang filly -- but the two soon become fast friends.
Popular mailcoach driver Uncle Willie is in fact in league with the town's crooked banker. They plan to have the bank robbed after emptying it, and when Willie's choice for this doesn't show in time, he gets some local boys to do it. When his man does turn up he decides to stick around, as he is pals with the sheriff and also takes a shine to Willie's daughter Allison. This gives the bad men several new problems.
When three Texas Rangers try to investigate kidnapped Mexicans being used as forced labor in the mines of Silver Bullet, they are framed for murder by the town's corrupt sheriff.
Newly appointed sheriff Pat Garrett is pleased when his old friend Doc Holliday arrives in Lincoln, New Mexico on the stage. Doc is trailing his stolen horse, and it is discovered in the possession of Billy the Kid. In a surprising turnaround, Billy and Doc become friends. This causes the friendship between Doc and Pat to cool. The odd relationship between Doc and Billy grows stranger when Doc hides Billy at his girl Rio's place after Billy is shot.
Burton is after Clark's ranch. He gets the banker to refuse to renew Clark's note and then sends his men to rustle his cattle. Hoppy is Clark's new foreman and is on to Burton's scheme. But just as he learns of the rustling and is about to go after the gang, the Sheriff arrives and arrests him for hiding Johnny who has been accused of robbery.
Richard Dix as Dan Taylor and Preston S. Foster as Paxton Bryce are two longtime friends seeking their fortune in Texas after the war. The two men decide, not without problems, to establish a cattle empire. Paxton becoming too ambitious, distances himself from Dan and Abby, Paxton's wife. It will only be after a personal tragedy that he will come back to his senses.
Lambert owns the trucking line that ships cattle to market. When he raises his rates Roy decides to ship the cattle on the River Boat. When Lambert and his men are unable to stop the boat, they rustle the cattle.