When a fed-up businessman tires of watching gold shipments disappear without a trace, he calls in the Trail Blazers (Ken Maynard, Hoot Gibson and Bob Steele) -- a legendary trio of law enforcers -- to find the gold and figure out who's behind the thefts.

As war looms in the Pacific, even cowboys are called on to fight the enemy. Horses are desperately needed by U.S forces stationed in the Philippines, and the Range Busters - Crash Corrigan, Alibi Terhune, and their newest partner, Davy Sharpe - are hired to accompany a herd to the islands. But first they must battle Axis spies right in Texas, as they foil a plot to steal the very horses destined for shipment.

In the 18th entry of Monogram's 24 "Range Buster" films, the bank of Gila Springs is robbed by Ace Alton and his gang, and Sheriff Frank Hammond, son of Marshal Jim Hammond, is killed. The Marshal sends for the Range Busters, Dusty King, Davy Sharpe and Alibi Terhune, to come and restore order to the town. Ed Cole, head of the local vigilantes, and secretly the head of the outlaws, promptly orders the trio out of town. They visit an old friend, Rancher Mike Rand and his daughter Mary. Mary's brother Jeff has unwittingly become a gang member, and carries out Cole's orders by taking a shot at Davy, but the latter makes him a prisoner during a subsequent fight in the town café. Jeff confesses to Cole's involvement, and the Range Busters, with the help of town banker Harrison, set a trap for Cole and his outlaw vigilantes.

Working undercover, Allen and sidekick Mendoza are out to stop the mail train robberies. Rivers and his gang are the culprits and by joining up with them, they hope to get the evidence they need.

Fanning has his men rustle horses and then blame it on a wild horse named Wildfire. Happy and Alkali arrive and immediately get into trouble with Fanning and his men. When Alkali is shot, Happy catches the outlaws but the Judge not only releases them, he discharges the Sheriff and tries to arrest Happy for rustling. Happy escapes and he and the Sheriff then set out to prove who the real rustlers are.

A mining engineer teams up with a crusty deputy sheriff to solve the mystery killings at an old mine where the owner's family waits for him to die, and where a valuable radium strike may have been made.

Megalomaniacal rancher is a law unto himself, until a Ranger is called-upon to bring him to justice.

A range lawman (Ken Maynard) unmasks a black-cloaked phantom killer (Sheldon Lewis).

Released from a navy hospital following WW II, Lon Evans learns that he faces eventual blindness and returns to his Wyoming ranch. He sees a beautiful white stallion named Starlight and his cowhands Lem and Yancy say he is a killer and cannot be trained. Lon disproves this by training the stallion to act as his guide in preparation for his future blindness.

After one member of their group is murdered, the performers at a burlesque house must work together to find out who the killer is before they strike again.

Billy the Kid and Fuzzy Jones are on their way out of Arizona being chased by some riders who hope to cash in on the reward money for their capture. They are warned in time by Ed Dawson, but Ed is wounded in the getaway. They get a doctor to attend to Ed. The latter tells them there is a range war in progress across the border and that he is looking for men to help make a cattle drive to the rail junction.

One dark and stormy night, an escaped convict, an embezzler, a runaway daughter, her intended and her father, and a gangster take refuge in a remote inn called "The Black Raven" after the nickname of a second gangster who owns it; and murder ensues.

When a band of American Indians breaks a treaty with the federal government, U.S. Marshals Ken Maynard and Hoot Gibson hit the trail with captured outlaw Duke Dillon (Jack La Rue) to find out what sparked the uprising. They discover clues that point to corrupt Indian agent John Hampton (Kenneth Harlan), but meanwhile, the bandit Dillon pulls a fast one on the marshals, and soon everybody's getting ready for a showdown.

Texas Rangers Tex Wyatt, Jim Steele and Panhandle Perkins are sent to the district of Rawhide to investigate the killings of several ranchers. Tex enters the town posing as a tramp while the other two Rangers join a troupe of itinerant minstrels.

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.

A feud develops between the settlers and the railroad detectives in Red Rock Valley. Clem Barstow sends for Billy the Kid and Fuzzy Jones to help.

Billy the Kid is framed for murder.

An operation of counterfeit five pound notes is discovered at a variety theater, leading to murder during the performance.

A dark night in war time, with several black-outs, it's just a night for murder. Susan Cooper, a fast-talking girl reporter, doubles as amateur sleuth solving yet another mystery among Hollywood's famous.

Newlyweds Webster and Jackie Frye spend their honeymoon in a sinister old country house. Before long, they are besieged by a gang of crooks, searching for a fortune in diamonds. With the help of chauffeur Harmony Jones, the honeymooners attempt to outsmart the villains.

Dorn is after the rancher's land and is trying to stop Banker Brady from helping them. When his man Hammond kills Brady, there is a run on the bank. When Rocky volunteers to ride to the next town for money, he is ambushed by Dorn's men, loses his memory, and is jailed for supposedly stealing the money.

In the midst of World War II, Sherlock Holmes rescues the Swiss inventor of a new bomb-sight from the Gestapo and brings him to England, where he quickly falls into the clutches of the evil Professor Moriarty.

Cosmo Jones, a correspondence-school detective from a small town, comes to the big city to offer his services to the police. He happens by where a gangster is killed by an opposing gang. Socialite Phyllis Blake is running around with gang member Tom and the opposing gang plan on kidnapping her. Cosmo is with Sergeant Flanagan when the attempt is made in front of a night club, where a bystander is seriously wounded in the gun-battle. Police Chief Murphy blames Flanagan for the shooting and demotes him. Cosmo, with the aid of a porter, Eustace and Flanagan's fiancée, Susan, tries to find the killer. Phyllis is finally kidnapped and Cosmo decides the act was committed by one of the two gangs. He has her father place an ad in the newspaper that contact has been made with the kidnappers. Each gang thinks the other is pulling a double cross, and one gang wipes out the other.

When a small town doctor buries his twin brother, a practitioner of the black arts, he believes him dead; but subsequent events force him to realize that his brother has, in fact, returned from the dead as a vampire and is seeking revenge on the doctor, who had killed him in self-defense.

Roy Rogers takes on crooked wartime profiteers in the musical western Ridin' Down the Canyon. Posing as solid citizens, the crooks spend their evening hours stealing horses from local ranchers, then selling the steeds to the government at exorbitant prices. The head of the bad guys runs a dude ranch where Rogers and his pals (The Sons of the Pioneers) are employed.

Billy and his pals, on the run from the law again, travel to Sage Valley where Billy is made Sheriff. The local outlaw gang is run by Kansas Ed who closely resembles Billy. Ed captures Billy and changing clothes with him, now plans to run the town as Sheriff.

A crooked lawyer and his gang are trying to steal some government land meant for a stagecoach company. The company hires a cowboy to stop them.

An insurance salesman, Albert Tuttle, is hired as a body guard for a millionaire.

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.

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 head of the gang but that he gets his orders from someone else and that is the man they want.