The Mesquiteers try to help their friend build a telegraph system, despite a local newspaper editor's attempts to sabotage the lines.
A crooked real estate manipulator sells worthless land on mortgage to flood refugees, then tries to profit by reselling the land to the state, committing murder in the process, as the Three Mesquiteers work to bring him and his gang to justice.
When Professor Marsh disappears while searching for the lost city of Lukachukai, his daughter enlists the help of the Three Mesquiteers.
The Three Mesquiteers, as army scouts, soothe hostilities between the Army and Indians after both have been riled by someone with a hidden agenda - a renegade chief, who is found to be masquerading as an Army interpreter.
The Three Mesquiteers convince a group of settlers to exchange their present property for some which, unbeknownst to our goodguys, is going to be worthless. They are captured before they can warn the ranchers.
A banker struggles to keep his bank solvent and his town from going bankrupt after the bank is robbed and all its money taken. The Three Mesquiteers ride into town and set out to help.
The three Mesquiteers try to recover the gold stolen by a gang in its effort to ruin the banker/mayor who ordered them to leave town.
The Mesquiteers capture a horse thief who escapes justice through a crooked judge. They gather signatures urging the governor to investigate but a friend with the petition is murdered. Stony is accused.
After gold shipments from a mining town have been hijacked, the three Mesquiteers buy a plane to fly the gold out. The owner of the shipping line brings in Eastern gangsters to thwart them.
The Cattlemen's Association has called in the Mesquiteers to find cattle rustlers. They get Tex Riley to pose as Stony so Stony can arrive posing as a wanted outlaw. This gets Stony into the gang of rustlers and he alerts Tucson and Lullaby as to the next raid. But Hartley is on hand and unknown to anyone is the rustler's boss and he joins the posse with a plan that will do away with the Mesquiteers.
Talbot uses a phony land grant to rule thirteen million acres, taxing everyone heavily and evicting those who won't pay. The Three Mesquiteers becomes mysterious "night riders" to fight this evil.
Unable to legally capture and sell a herd of protected wild horses, corrupt rancher Rance Macgowan uses his trained killer horse, Volcano, to substitute for the real leader of the herd and cause havoc and death among the ranches. With the government about to drop the restrictions on rounding up the herd, the Three Mesquiteers find themselves in the middle of the controversy after their friend, Sheriff Miller is killed by Volcano.
Nancy Evans, lovely circus owner, has a ranch that she's never visited, but for sentimental reasons won't sell to Mike Abbott. Her partners, secretly in league with Abbott, sabotage the circus to force Nancy to sell the ranch; instead, she goes there to live. Will her neighbors, the Three Mesquiteers, be a match for the secret swindlers? And what's so valuable about that run-down ranch anyway?
This late entry in Republic's long-running "Three Mesquiteers" series stars Bob Steele, Tom Tyler and Jimmy Dodd as, respectively, Tucson Smith, Stony Brooke and Lullaby Johnson. This time out, the Mesquiteers try to help young Tim Clay (John James), who's been framed for murder by villains who want to gain possession of Clay's ranch property.
A horse called Brilliant is the only one who knows the location of a gold mine. When Brilliant's owner is killed, the trio known as the Three Mesquiteers (Bob Steele, Tom Tyler and Jimmie Dodd) are mistakenly arrested for the murder.
Three cowboys buy a ranch but have to fight off gunmen to keep it.
Frustrated by their inability to take action against a murderous gang who killed a young boy, Texas Rangers Stony Brooke (Robert Livingston), Rusty Joslin (Raymond Hatton) and Rico Rinaldo (Duncan Renaldo) hatch a plan: Stony poses as an outlaw dubbed The Laredo Kid to lure the bad guys into Texas. But the plan might fall apart when the real Laredo Kid arrives on the scene in this action-packed Western.
Cattle are being routinely stolen from a local ranch, and suspicion centers on a local mountain family. But the Three Mesquiteers are wise to the criminals' deeds. But when a ranger is shot and Stony is framed for the crime, it's up to Lullaby and Tucson to prove his innocence.
The Mesquiteers return to Texas after the Civil War to find Army carpetbaggers fighting the local bushwackers. They quickly learn that Capt. Hawks and his men are the culprits and join up with Morgan and his men.
When a group of World War 1 buddies head west to farmstead, they run into trouble.