A new teacher, Dr. Dr. Bach, is transferred from his quiet village elementary school to the Mommsen Gymnasium, bringing along his nephew Jan. Bach's lackadaisical methods raise the suspicions of the other teachers.

The local council of the Bavarian village of Mooskirchen has ambitious plans for the small town. Mooskirchen is to become a tourist destination, but this requires money, because at the moment there is not even an access road to the highway, let alone such "attractions" as a spa or a swimming pool. When one day a letter arrives at the town hall informing the community that Mooskirchen has received a huge inheritance, all problems seem to be solved. However, the inheritance is a huge plantation in Africa, valuable but very far away. Ferdl Lechner, the mayor of Mooskirchen, decides to travel to Africa with his friend Karl Köpfle to officially take possession of the inheritance. First of all, they go to Hamburg. The two rustic Bavarians want to enjoy life in the big city for a while, but the two provincials are not up to this kind of jungle.

Reporters Peter Drante and Conny roam Hamburg’s Reeperbahn at night, uncovering three intertwined tales: Lilli, a aging dancer, searches for her missing husband who once shot her in a jealous rage; multimillionaire Alexander Borgess faces blackmail over past indiscretions; and Karin Thorwaldt seeks Borgess’s aid to secure her fiancé’s acceptance by her conservative father.

In a small town a bag with delicate letters disappears. Many of the residents are worried about their written messages. A clever sculptor uses the opportunity to play a prank.

After a passionate affair in Paris, adventurer Sascha Demidoff can no longer forget Sitha, the beautiful Maharani of Eshanpur. He travels through the wilderness of India to the maharaja's palace, where Sitha still returns his passion. But when his connection to her becomes apparent, he finds himself exposed to the revenge of the deceived maharaja. It is only with Sitha's help that he narrowly escapes from a ravenous tiger in the predator courtyard and flees with her from the palace to Berlin. Meanwhile, the architect Fürbringer is waiting for a message from Eschnapur, where he has been promised the construction of several large buildings. However, Fürbringer's friend and first draughtsman Sperling returns from India without having achieved anything. When Fürbringer's fiancée, Irene Traven, discovers that the maharajah is in Berlin incognito, she gains access to him and manages to get the prince to award her fiancé the building contract...

At the behest of his father, the young Karl Valentin is to complete a carpentry apprenticeship. When the father gets into a financial mess by a strict creditor, the boy works with growing success as a comedian to support his parents financiall

On their way to a boxing competition in Buenos Aires, the criminal investigator Harry Winkler from Berlin and Conny Steven of Scotland Yard, meet in Lisbon. Both have a 90 minute break before their ship leaves for South America. They end up meeting Ilse Siebeck, a young woman and through her become part of a criminal mystery. Ilse's uncle is murdered and Harry Winkler is quickly able to determine that the man who murdered her uncle is the exact same man who murdered his father a few years earlier.