Having spent the last 10 years fighting injustice and cruelty, Alejandro de la Vega is now facing his greatest challenge: his loving wife Elena has thrown him out of the house! Elena has filed for divorce and found comfort in the arms of Count Armand, a dashing French aristocrat. But Alejandro knows something she doesn't: Armand is the evil mastermind behind a terrorist plot to destroy the United States. And so, with his marriage and the county's future at stake, it's up to Zorro to save two unions before it's too late.

Diego Vega returns from his study trip to discover his homeland is under the army's dictatorship. Diego, refusing to watch idly, disguises himself as Zorro to protect the weak and oppressed. Diego is not a coward but he is unable to win the affections of his sweetheart, Lolita, who is attracted to other more noble men. Diego serenades Lolita as Zorro and fights the evils of his homeland, hoping to capture her heart.