Christmas is in danger. Five kid detectives decide to save it. Mrs Pirk hates Christmas and does everything in her power to destroy it. Together with the bad guys Rolf and Ronny she abducts the priests in the town to prevent the Christmas service from taking place. The five children Gibbs, Martin, Sara, Lukas and Betty start a detective firm to solve the mystery of the disappearing priests.

"Christmas is in danger. Can the five detectives save it?"