Light-hearted family film for the youngest viewers in which the evil Dr. Brein crowns herself as new Sinterklaas in order to sabotage the annual giftnight. Sinterklaas himself has to go to the hospital because he fell during his 'roof driving' exam. When the Petes finally discover Dr. Brein's nefarious plan, they find out that the big book with all the children's names has disappeared. The chase eventually leads to the white beaches of sunny Curaçao!