Global temperatures plunge after an earthquake hits in the middle of the Atlantic Ocean. As the world starts to freeze over, and cities fall into ruin, scientists must figure out a way to raise the temperature before the next Ice Age.

Sam and Dave are living the boring life until they are beckoned to Sam's uncle's Island. When they get there (still not quite sure how that worked) they are compelled by beautiful women and a dastardly enemy of the Island. After accidentally convincing Sam's uncle to sign away rights to his island, they must somehow fix the problem.

A college teacher brings the little creatures back to his campus, where they proceed to terrorize the faculty and students.