 Spain, 1518: young caballero Pedro De Vargas offends his sadistic neighbor De Silva, who just happens to be an officer of the Inquisition. Forced to flee, Pedro, friend Juan Garcia, and adoring servant girl Catana join Cortez  first expedition to Mexico. Arriving in the rich new land, Cortez decides to switch from exploration to conquest...with only 500 men. Embroiled in continuous adventures and a romantic interlude, Pedro almost forgets he has a deadly enemy...