Claudia and Christian are in shock: Anne and Daniel have disappeared. How is this possible, they were with them just a moment ago! It all started so harmlessly: holidays together in a remote house in the middle of a forest. But then they heard this eerie violin melody and an old desk with a mysterious letter appeared from nowhere. Are these events connected with the disappearance of Daniel and Anne? Claudia and Christian decide to investigate. Suddenly they meet an old acquaintance: the snowman! Can they free themselves from his clutches and prevent his plans? There is a lot at stake, because without their help Anne and Daniel are lost.