The pint-sized secret agents investigate a mad scientist who has meddled with powerful forces and created a host of bizarre mutant animals. However, the villain is not the only problem they have to face, as another pair of youngsters are determined to outshine them. Family adventure sequel, starring Antonio Banderas, Steve Buscemi and Carla Gugino.

Exploring the further adventures of Carmen and Juni Cortez, who have now joined the family spy business as Level 2 OSS agents. Their new mission is to save the world from a mad scientist living on a volcanic island populated by an imaginative menagerie of creatures. On this bizarre island, none of the Cortez's gadgets work and they must rely on their wits--and each other--to survive and save the day.