Conni's adorable but mischievous cat Mau follows her on her kindergarten trip, causing mayhem, confusion and laughs. The children are kept busy hiding Mau from the teachers, tracking down a thief and saving a raccoon in an ancient castle.
While her parents are traveling, Conni experiences an exciting adventure at home with cat Mau, her friends, Grandpa Willi, a stuffy neighbor – and an injured crane, who urgently needs help. Will Conni and her friends manage to get crane Klaus to fly south with the migrating birds in time?
