Ordinary, overlooked 12-year-old Pelle is transformed into an extraordinary superhero after he is bitten by a super-ant and inherits its abilities. Overnight, he becomes a local hero and is dubbed “Antboy.” With the help of his new friend and sidekick, comic-loving Wilhelm, climbing walls, flipping cars, stopping robbers and saving babies all become part of his new dream life.

But all this changes when super-villain “The Flea” kidnaps a young girl, the subject of Pelle’s affection, and terrorizes the citizens of Middelund. Antboy, Wilhelm and their friend Ida must fight the treacherous evil, rescue the damsel in distress, save the town from a super-villain and be home in time for dinner.