A man arrives at a petrol station and makes a phone call there. He seems agitated and wants to meet someone. In the meantime Reinier Quarles van Ispen stops ... read more
Aristides, Wilbur and his sister Juultje investigate the spot in the forest where the boys made the fateful photograph. The boys spot an empty packet of Egyp... read more
The two Q's and grandpa decide to check on the car the missing man in the picture left behind at the gas station and learn his name: Anhony van Slingelandt. ... read more
Q & Q investigate 'the old mill' where the Bennebroeck family resides. Staying with them is the scary man, Axel Zaneck, who in turn visits I.Q to ask questio... read more
Grandpa wants to buy the Old Mill. But Farner Zwartjes gets greedy after receiving a cash offer from current resident Ed Bennebroeck and raises his price. Ar... read more
The boys are shocked to find Zaneck on the Quarles van Ispen doorstep. Farmer Zwartjes is hospitalized after getting hit on the head with a wooden plank in h... read more
Berthe and Eduard Bennebroeck are dismayed to learn that some children have been asking questions about the medicine they requested at the drugstore. Wilbur ... read more
Grandpa and Aristides' father Charles have found evidence that Zwartjes was hit on the head instead of having a mere accident. They also found a cigarette at... read more
Juultje learns from André that Bennebroeck is proficient at making tiny technical gadgets. For instance he helped André make a pair of walkie talkies for him... read more
During the garden party at the Quarles van Ispen house, Aristides and Wilbur borrow the Pies' walkie talkies and head over to Bennebroeck's old mill. However... read more
Van Slingelandt's parents come to Grandpa with their concerns for Anthony Jr. Aristides has been caught by Zaneck, who has also found the picture that starte... read more
Now both Q boys have been captured by Zaneck and the Bennebroecks. Berthe cannot stand taking care of the increasingly ill (yet still clinging on to life) An... read more
The plot begins to unravel as André and Juultje have figured out the purpose of the all important ring and the man in the white raincoat closes in on Alex Za... read more