The Peppercorns

He has arranged for Uli to be subjected to a customs check after receiving a tip that diamonds are to be smuggled through the Osterbek auction house. Without success! Now his boss wants to send him into retirement. Fiete discovers a false delivery at the headquarters. The boxes do not say OVERBECK, but OSTERBEK. Fiete informs the auctioneer Osterbek, while Natascha and Vivi take a closer look at the contents of the crates. The crates contain valuable antiques from the estate of an Indian maharaja, which are to be auctioned today. In fact, one of the three small silver elephants makes a suspicious rattling sound. Diamonds! At the auction, they hope to be able to catch the smuggler...