As the new partner in an oil-drilling enterprise, Mace Morgan s future looks rosy, until he meets Monique, his partner s girlfriend.

Fiery blonde half-breed Yellow Hair and her easygoing sidekick the Pecos Kid are after a fortune in Mayan gold. The courageous duo have run-ins with an army of Mexican soldiers, a gang of dastardly bandits, and a lethal tribe of Aztec warriors while searching the countryside for said gold fortune.