Several years after her win with Whitestar, Megan (Britt Dekker) runs her own equestrian center. When Whitestar's son, the young horse Silverstar, gallops into the woods in a barn fire, he is found by 16-year-old Esmee. The two have a special bond. After the fire, horse dealer Carina offers to help Megan, but can she be trusted? Esmee finds out that strange things are happening, but nobody wants to listen to her. To save Silverstar, she sees no option but to run with the horse. Together, Esmee and Silverstar must survive in nature.

How the helpers of Sinterklaas are able to do their tricks and get into every house is one of the magical powers of Sinterklaas' Book. But when the book loses it's power, it becomes impossible to to fulfill their duties on December 5. To prevent that from happening, Piet Diego and his Elite team embark on an adventure. Quite a big adventure, because the only place to recover the much needed powers is a magical source in Myra - the birthplace of Sinterklaas!