Oscar Dietz stars as young superhero Antboy in this children's comic book adaptation. When shy schoolboy Pelle Nøhrmann (Dietz) is bitten by a genetically modified ant he begins to develop extraordinary powers including super strength and an amazing ability to climb walls. As Oscar sets out to fight crime as Antboy, the aspiring superhero must save his kidnapped classmate Amanda (Cecilie Alstrup Tarp) from a mad scientist known as The Flea (Nicolas Bro), who plans to terrorise the entire town.