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.

On summer break, teenage Ana meets camp monitor Roberto. When he rescues her from a river, they develop a romance at the camp, but after the season, she finds herself unable to contact him and, upon crossing paths again, discovers why.