In 19th century Mexico, legendary swordsman Zorro has passed on his weapon and his sense of duty to his noble son, Diego, a dashing swashbuckler like his father. But after an injury sidelines Diego, he is forced to hand the mask over to his twin, Ramon.

An ancient Aztec cloth with a curse accidentally finds its way into the possession of a young woman. She decides to make a dress from the cloth. Whoever wears this cloth/dress comes under its spell; all inhibitions and moral responsibilities are lost.