Case 53: The Wedding of the Year! Marie's father and Tessa are tying the knot. A wedding planner is hired because there is going to be a grand celebration at the Grevenbroich villa. Excited, Marie helps with the preparations, but things keep going wrong. It becomes clear that something is amiss when her father gets injured! It's a case for the three detectives. Can they save the dream wedding?

Case 54: Lights, camera, action! Kim, Marie, and Franzi are extras in a crime film where Marie's father, Helmut Grevenbroich, plays the lead role. But what starts as fun turns serious: at the Pulitzer department store, the filming location, two saleswomen are robbed, and Helmut Grevenbroich is the main suspect! The three of them set out fiercely to find Mr. Grevenbroich's doppelgänger.

Case 55: Kim and Marie have caught Franzi's enthusiasm for horses. Together, they spend a week in a wild horse reserve. No sooner have they arrived than strange things start happening: two horses break loose, and someone even tries to poison the animals. Finally, a wild foal disappears without a trace. The three of them immediately begin investigating. Is the foal in danger?.