An old friend of the boys returns to town and tells them stories of getting rich out west. He proceeds to sell them a uranium mine and they head west. When they arrive, local thugs try to chase them off. When they find out the boys own a mine they decide to let them stay in town with the plans to follow them and take the mine from them. Eventually the boys defeat the thugs and find the uranium, only to discover that it is on an Indian reservation and doesn't belong to them.