Ace investigator Steve Reynolds is sent to Arizona to investigate the theft of cattle herds from local ranchers. He goes undercover, posing as a ruthless gunslinger and later as the Durango Kid, to infiltrate the gang and uncover the mastermind behind the thefts.
Galloping Thunder
Ace investigator Steve Reynolds disguises himself as notorious gunslinger Buck McCloud to crack a string of cattle rustling cases in Arizona, taking on the task for the Arizona Stockmen's Syndicate.
