en Cuevana 3. An unknown man asks Bassie & Adriaan if they want to track down packages in the Netherlands and France. To find the packages, they first have to solve strange riddles. On their quest to find the packages, they travel throughout the Netherlands and France and discover beautiful and interesting places. But they don't notice that the Baron, Handy Harry, and B100 are trying to lure them into an ambush. And so begins an exciting adventure!