A man, determined to win the neighborhood's annual Christmas decorating contest, makes a pact with an elf to help him win. However, the elf casts a spell bringing the twelve days of Christmas to life, bringing chaos to the small, unsuspecting town.
In the near future, a weary Logan cares for an ailing Professor X in a hideout on the Mexican border. But Logan's attempts to hide from the world and his legacy are upended when a young mutant arrives, pursued by dark forces.