Hoppy and Lucky confront a gang of outlaws which has been ravaging stagecoaches and gold mines. The final gunfight is at Ed Colby's mine. Hoppy and Lucky have been called in to investigate a series of stage holdups. The robbers are taking gold from Colby's mine and Hoppy suspects it may be ex-outlaw Colby himself. When Speedy strikes gold, Hoppy borrows it and announces a gold shipment hoping to catch the gang and their leader.
