Under-age agents Juni and Carmen Cortez set out on their most mind-blowing mission yet: journeying inside the virtual reality world of a 3-D video game designed to outsmart them, as the awe-inspiring graphics and creatures of gaming come to real life. Relying on humor, gadgetry, bravery, family bonds and lightning-quick reflexes, the Spy Kids must battle through tougher and tougher levels of the game, facing challenges that include racing against road warriors and surfing on boiling lava, in order to save the world from a power hungry villain.