During the annual family weekend in theme park "De Efteling", eleven-year-old Teun discovers that his recently deceased grandfather left him one last scavenger hunt inside the park.
| Writing | Nienke Römer | Writer |
| Writing | Job Römer | Writer |
| Directing | Bob Wilbers | Director |
| Production | Lucio Messercola | Producer |
| Camera | Goof de Koning | Director of Photography |
| Directing | René Jonkers | First Assistant Director |
| Camera | Eric van der Heide | Grip |
| Art | Allard Derksen | Art Direction |
| Costume & Make-Up | Marielle Vos | Costume Design |
| Editing | Michelle Hofman | Editor |
| Visual Effects | Bram van Dam | Visual Effects |
| Sound | Jaim Sahuleka | Sound Designer |