12-year-old Victor and his father attend the Annual Ornithology Competition, where Victor wants to prove his worth by spotting the rarest bird and win 1st prize – for his father's sake. Victor's plan seems realistic, since last year's winner, Daniel, has a broken leg and is unable to attend. But Daniel shows up unexpectedly and now the match intensifies.

At Santa Claus School, the principal has called a meeting. Lucia, her parents Julius and Claudia and everyone else at school are excited. But the tension is replaced by a shock when the headmaster cancels Christmas. He seems confused, and it soon becomes clear that he is trapped in a Christmas trauma from his younger days as Santa Claus. Lucia sets out to find out what has happened and with the help of the younger student Elias and a magical time machine, she travels back in time in the hope of saving Christmas.