El Puma, a Mexican desert guide, escorts an archaeological expedition headed by Professor Lucius Lloyd through the Indian badlands of Mexico. Marian, the professor's niece accompanies the party as only she can translate the Aztec writings in the diary of her father, murdered on a similar expedition...
The fifth film in the 24-film Range Busters series finds "Crash", "Dusty" and Alibi, on their way to Gopher City to become the town's peace officers. In the saloon, young Jimmy Rowell is losing money in a crooked poker game to saloon owner Bob Harmon. Harmon and his henchman Bart Gill are in...
Joe has Cowboy-Race Driver Brent drive him to the border where his men slug Brent, and he shoots Stafford and takes his bonds. Brent's old friend Chuck arrives and the two head out to find the gang and recover the bonds.
A cavalry officer is framed for the murder of a fellow officer and cashiered out of the army. After he gets out of prison he vows to find the renegade who framed him and bring him to justice.
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.
Learning of Walters' inheritance, Larson kills him and assumes his identity. When Larson's men try to kill Walter's niece Lola, Jack Lane breaks it up. This leads to a showdown with Jack outnumbered by Larson and his gang. Having saved Loma's life earlier, he has Fuzzy ride for him and his men.
The notorious outlaw Black Bart has reappeared and the Range Busters are sent to investigate. When they find that Black Bart is now a respectable citizen and that someone is impersonating him, they set a trap for the robber.
Bolton's men blow up the wagon carrying the mine payroll and Marshal Crash Corrigan is supposedly killed in the explosion. A man finds his badge and gives it to Bolton. Thinking Crash dead, Bolton gives the badge away and it ends up with the Sheriff. Crash is OK and the Range Busters know Bolton is...
The Navajo Kid goes in search of the villains who murdered his foster-father and stole both ring and watch. The trail leads straight to Canyon City, Texas, and smooth cardsharp Honest John Grogan, who is in possession of both the stolen items. But Grogan has an ironclad alibi for the time of the...
Burgess and Greeley are rustling horses and shooting Indians. When they kill Manual they frame Lieutenant Allister. His older brother John now attempts to defend him at his murder trial.
Commissioner Tredwell is the law of the land and he gets whatever he wants with the help of hired guns and lackey lawyer Conners. The only one who publicly stands up to Tredwell is Beecham of the Clarion. Beecham has his paper burned to the ground and when he starts a petition to make Wyoming a...
Mike Wein, an Alaskan bush pilot operating the the Bering Sea area, makes friends with John W. Wetherby, posing as a wealthy United States businessman. But, in reality, he is a Russian spy on his way to Siberia carrying microfilms of the United States' defense installations.
The story opens as Stony returns to his home town, only to discover that his sheriff father has been murdered by person or persons unknown. The new sheriff (Henry Brandon) resents the arrival of the Mesquiteers, going so far as to frame Tucson on a murder charge.
