Per Schwenzen

A classical art junk dealer and an almost bankrupt hairdresser who unexpectedly makes an inheritance go hunting behind thirteen chairs from which of a 100,000 DM contains which the rich aunt has hidden there.

The pony hotel has just been opened, but so far no guests have arrived. Dick gets Ralf to design a brochure about the hotel. The girls and Ethelbert then lead the village children on horseback to Lübeck, where they all distribute the brochure - not knowing that Dalli has added some embellishments to the text.

The Immenhof has been closed by officials, awaiting auction. In the meantime, Angela has died, so Jochen is now a widower. Oma Jantzen and Angela's younger sisters Dick and Dalli live with him in the forester's house. In order to save the manor house, Dalli has started a "pony circus" with the village children in the barn, while Dick has given up hope of Ethelbert ever returning.

Counterfeit money is discovered near the Bodensee. The investigators for the "Reichszentrale für Falschmünzerei" get wind of it and open up an investigation. When the band of counterfeiters try to recruit a young graphic artist into their ranks, he quickly rats on them to the police. The investigation soon leads to Switzerland, where the nest of criminals is stormed with the help of the Swiss police.

There's a great deal of excitement on a small North Sea island: A millionairess has arrived, accompanied by her elderly secretary. No one knows why the lady is vacationing here of all places. It's particularly strange that Ellinor, as the sophisticated city woman is called, is snooping around everywhere. She's being watched suspiciously by all the islanders. But it's all just a game! In reality, the elderly secretary is a millionaire – his name is Jan Remmers, and he left his home island many years ago to pursue a career overseas. Now he's returned, but he doesn't want to reveal his identity until he's found out whether the community would welcome him warmly even without his millions. Unfortunately, Remmers discovers that no one is expecting him in his old home: His former fiancée, Berta, has married the fisherman Hinnerk, and his son, Peter, is a very independent engineer. Proud of his son, Remmers is secretly supporting a major construction project Peter is working on.

Andreas, a young German student comes to Hungary on an exchange programme. In the Hungarian village he falls in love with the stationmaster's daughter Piroschka and spends much of his time with her. They have an enchanting summer until Andreas gets an invitation to join another young woman at a nearby resort. Piroschka is jealous and follows him there, causing trouble. It takes a long time for Andreas and Piroschka to even talk to each other again. When Andreas has to leave Hungary at the end of his holiday, he is determined to return some day.