Simone needs a change in her life. When she inherits a decrepit mansion in the South of France, she decides to move there with her husband Eric and their two children and turn the mansion into a new home.

Sinterklaas and the Clubpieten have a busy year ahead: never before have so many shoes been put out. But the villain Kornee wants to ruin the Sinterklaas celebrations. Due to a mistake, he never received a gift from Sinterklaas when he was a child. To get his revenge, he has created Moepies, a new kind of cuddly toy. Kornee orders the funny Moepies to steal the presents from the children's shoes. When one morning not only the presents but also all the shoes are gone, the Petes are blamed. Sinterklaas doesn't understand what's going on. Will everything be okay in time?