It's Christmas holidays and Addie Sheppard wants nothing more than to enjoy her time off from school. But, as you've probably guessed, that was not to be. After getting nabbed by a strange old lady and being made to sign a weird contract, Addie and her cat are shoved into the witch's house and told to stay put. Left with no other choice, Addie must become a Witch herself. That's right, Witch with a capital "W".