Upon receiving reports of missing persons at Fort Spencer, a remote Army outpost on the Western frontier, Capt. John Boyd investigates. After arriving at his new post, Boyd and his regiment aid a wounded frontiersman who recounts a horrifying tale of a wagon train murdered by its supposed guide — a vicious U.S. Army colonel gone rogue. Fearing the worst, the regiment heads out into the wilderness to verify the gruesome claims

It has been twenty years since Don Diego de la Vega fought Spanish oppression in Alta California as the legendary romantic hero, Zorro. Having escaped from prison he transforms troubled bandit Alejandro into his successor, in order to foil the plans of the tyrannical Don Rafael Montero who robbed him of his freedom, his wife and his precious daughter.