George W. Weeks

In the midst of some friendly horseplay on their "Flying R" ranch, the Range Busters, Crash Corrigan, Dusty King and Alibi Terhune, are sobered by the arrival of a buckboard bearing their old friend Larry Meadows and his niece Dorrie Willard. Meadows seeks their aid against a gang of outlaws terrorizing his town. Ernie Willard, Dorrie's brother, has been taken in by Tex Laughlin who is using the Willard ranch as an undercover for his real occupation as a member of a gang of outlaws led by Tim Douglas, a supposed friend of the Willards.

In Old Wyoming, a gang is plundering stagecoaches of shipped currency and a crusading newspaper editor is trying to get the local marshal replaced, because of his apparent failure to catch the gang, which seems to disappear into thin air after every robbery. The situation escalates when one of the stage drivers is mortally wounded; so the marshal sends for his friends, the Range Busters, to help him catch the criminals. Meanwhile, even the marshal's fiancee, the editor's daughter, turns against him in favor of an aggressive agitator for law and order - who secretly is leading the robber gang.

Attracted by a picture of Maybelle Pembroke, the Range Busters, bantering between themselves, head for the Pembroke ranch separetely. Crash arrives posing as a dude while Dusty arrives posing as Crash, a mixup having put his picture in the paper identified as Crash. Later Alibi arrives and the three go to work when outlaws trick the Pembroke ranch and it's neighbor into a gunfight with each other.

Someone wants to kill Magpie Harper. Crash and Dusty arrive too late, Magpie Harper is allready dead.

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 reality wanted-outlaw brothers Jim and Ike Breedon seeking revenge against Jimmy and his school-teaching sister Sally as their father, a circuit judge in Nebraska, had sentenced their brother Bud to be hanged. Harmon involves Jimmy, because of his gambling debts, in a robbery of a rancher known to keep large amounts of money at his ranch. The Range Busters break up the robbery, Bart is killed, as is Rancher Fleming, and Jimmy is wounded but escapes. Harmon, setting a trap for Crash, tricks Sally and Jimmy to his hideout, and Crash follows them.

The Range Busters are investigating a gold robbery from the Denver Mint in a supposedly deserted ghost town, but they soon find they're not the only town resident with a nose for gold.

When Moreland's henchman attack Bob Horner the Range Busters break it up. Horner dies but they get the baby Moreland was after. He must have it to become it's guardian and take control of the Horner ranch. When the henchmen catch up with Alibi, they take the baby cradle not realizing Alibi has substituted his dummy Elmer. Crash having evidence Moreland is the one they want, now has a plan to expose him.

A phantom-like gunman is murdering the hands at the Circle T Ranch and the Range Busters are recruited by its owner to stop the "phantom". Only, the ranch owner is killed before they can arrive. First film in the Range Buster series.

Doctor Smith and his wife, Mary,depart a riverboat and are met by Phil Talbot. Phil informs Dr. Smith that Jessup, the only other white man in the village, has died while the doctor and his wife were off on a two-day holiday. Unknown to Smith, Jessup and his partner, Ross King, had a large cache of ivory tusks in the jungle, and he had told Phil about it. Meanwhile, Mary Smith has decided to steam-boat down the Congo River to Capetown for an extended holiday. Kuba, King's gun-bearer, asks Smith to write a letter to King, currently residing at a New York City Explorer's Club, and advise him that his partner has died. Talbot sends a letter to his stateside sweetheart, Diane Cameron, and her father, asking them to come to Africa and join him on an ivory-treasure expedition, and replenish their family-fortune lost in the recent stock-market crash. What Mr. Cameron and Diane don't know about Talbot is that his years in Africa have unhinged him...

John Moore, a young sea captain has a romance with Kay Wheeler, daughter of a trusted trader, "Pop" Wheeler, on a Pacific island. He also acquire the enmity of "Shanghai" Morgan, a notorious sea captain who shanghais his crew and his women.