Albert who lives in the small Danish provincial town Kalleby. Albert 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, Albert 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.

Albert who lives in the small Danish provincial town Kalleby. Albert 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, Albert 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.

Life in Solby is nice and peaceful until one day Mitcho and Sebastian find a message in a bottle by the harbour. The bottle is from the missing mayor of Solby with a message that he is on a mysterious island and has made a great discovery. Now they must embark on a perilous journey to help save the mayor and bring him home, and in the process they uncover something that will bring great pleasure to the city of Solby – a giant pear.