嗄lbert who lives in the small Danish provincial town Kalleby. 嗄lbert is always up to no good, but he's also really clumsy. One day he comes to overturn the city's landmarks - a statue of a balloon captain. The townspeople are mildly not happy with his recent accident, so with his best friend, Egon, 嗄lbert takes off on an adventure to find a real balloon. On their trip postponed friends of both robbers, gypsies and the world's largest diamond.