Annie, Lofty and Tagg try to help a young Indian when he inherits a stagecoach line with a valuable mail contract after his white patron, the owner of company is bushwhacked and murdered.
After years of fruitless prospecting, old Scissorbill Childers finally strikes it rich and decides to use his new-found wealth to open a bank to grubstake other prospectors.
Annie, Tagg and Lofty try to help a history buff who believes he has found a map that could lead to gold hidden by the Spanish explorer Coronado over in the early 1500s.
Annie and Lofty investigate when two outlaws hold-up the messenger carrying the Cattlemen's Association receipts to the bank.