A ring of cattle thieves uses short-wave radio to communicate with each other. A trio of range detectives must find a way to capture the 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.

The Range Busters are together again to try and stop a swindle.

A land owner's will leaves his ranch to anyone who has served at least two years in prison.

A cowboy turns bad for revenge, but can't stomach his new evil ways.

The owner of an Alaskan gambling boat and her business partner help thwart a crooked businessman who attempts to steal claims from local miners.

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.

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

A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.

Two deputies go undercover to save a scientist from his evil kidnappers.