⁣Roy Rogers, a Nevada State Ranger Captain in charge of the Rangers Reclamation Service, makes a trip to Las Vegas for the annual Heldorado Frontier Days Festival, as he wants to help his old friend Gabby Whittaker who originated the idea (at least, in this film).In Las Vegas, Roy meets heiress Carol Randall, who has been selected as the Queen of the Heldorado. Roy is informed that the F.B.I. wants an immediate investigation of the counterfeit thousand dollar bills that are being passed over the gambling tables at the casino.

⁣A retired Texas Ranger and his three aging pals are hired to clean up a lawless town.

⁣A cavalry officer sympathetic to the Sioux arranges a meeting between Chief Sitting Bull and President Grant, but the hateful General Custer and a dishonest Indian Agent threaten to derail the peace-talks.