Moritz and Pauline are sitting in the cherry tree in Aunt Alma's garden. Suddenly, a man with a silver suitcase appears and disappears into a garden shed. This seems suspicious to Moritz. He immediately senses a new case. Then Moritz also finds a black glove and a wallet. The glove clearly belongs to the man with the suitcase. But whose wallet is it? And suddenly, Moritz and Pauline have two cases on their hands!.