Every year, Clara-Marie's family hosts the most wonderful Christmas party, and this year is no different. All of her family have showed up along with her parents' wealthy friends for a big Christmas Eve dinner and slumber party. But unbeknownst to Clara's family, her parents have accidently invited a family of wicked rat monsters who have posed as humans and are plotting to take over the world one rich family at a time. The evil rats have turned everyone in Clara's home into nutcracker dolls, and worse? They've stolen the Christmas tree! Clara must go on a quest with Krampus and a nutcracker prince to retrieve the Christmas tree and save Christmas. Will she make it to the North Pole before the REAL Santa Claus shows up? Follow Clara on a Christmas Eve adventure through magical candy lands, mythical seas filled with wonders and to a castle where the Rat King and Queen are waiting.