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.

Susan Morrow receives a book manuscript from her ex-husband – a man she left 20 years earlier – asking for her opinion of his writing. As she reads, she is drawn into the fictional life of Tony Hastings, a mathematics professor whose family vacation turns violent.