Pumuckl meets the blue Klabauter to learn magic. But he has bad intentions for the little goblin. Nevertheless, Pumuckl still finds enough time for his funny pranks. Will he survive his new adventures?

When her father suffers a heart attack, Christine, a qualified vet, travels with her two children from Munich to Carinthia to take over his veterinary practice while he recovers. However, this puts her marriage to architect Thomas, which is already in crisis, to the test. While the jealous Thomas is on a business trip to Salzburg, the attractive Christine is being courted in Carinthia by the charming farmer Georg Reiser.

A vet has successfully taken over her father's practice. Now the already smouldering marital crisis comes to a head when anonymous letters accuse her husband of having an affair. Meanwhile, the doctor is being courted by the local mayor.

What are the Knickerbocker Band doing at midnight in the cemetery? Is a spirit really speaking form the sinister grave? Why does Melissa, daughter of the dead sorcerer, receive threats? Has it all to do with the mysterious legacy of the magician?