It's summer time and Pelle is enjoying life with his girlfriend, Ida. Crime in Middellund is at an all time low, and life is actually pretty sweet. But Pelle has started to tire of being Antboy, and perhaps the town doesn't even need a superhero anymore? Besides, Pelle and Ida are going to continuation school together after the summer vacation, and he will consequently have to give up being Antboy - which actually suits him fine. On the flip side, he hasn't seen much of Wilhelm over the summer. It's as if the two of them have drifted apart. Suddenly strange things start happening.
A superhero called Antboy fights against evil in his hometown.
12-year-old Pelle is bitten by an ant and develops superpowers. Aided by comic book nerd Wilhelm, Pelle creates a secret identity as superhero Antboy. When a super villain The Flea enters the scene, Antboy must step up to the challenge.