On a school trip to the South Tyrolean mountains, Mia and Benny stumble upon a series of bizarre occurrences at a mountain farm where their class is staying. A barn catches fire, the spring water turns black, and the local Luca senses a malevolent curse on his family's farm. The peppercorns, joined by new member Johannes, rush to solve the mystery, convinced that there must be a logical explanation. They soon discover that a Hamburg-based food company, Levartis, has a strong interest in the region's water. Meanwhile, Mia's sister Alice is stuck at the peppercorns' headquarters in Hamburg, feeling bored.
The Peppercorns and the Curse of the Black King
Two resourceful kids from Hamburg, Mia and Benny, embark on a thrilling adventure to a farmhouse in southern Tyrol, where they uncover the secrets of a mysterious curse known as the Black King's affliction.