Oliver B. Bumble finds an egg that, it turns out, has a cute little dragon in it. However, this dragon grows huge each time it gets excited or upset. As this causes a lot of problems, Bumble has to face a difficult dilemma.

Scatterbrained but imaginative Robbie Henegouwen de Boer has only worked for a tour operator for two months, when a colleague is suddenly fired and he is tasked with showing an international coach party around. The newly-minted tour guide is faced with a plethora of problems...

As years pass, the Craets-Goldeweyn family must cope with the disappearance of the familiar and the inescapable new that imposes itself.