Author Jill Thompson's best-selling series of books comes to life in this frightfully fun tale of a young boy determined to put an end to Halloween, and his mischievous young cousin's attempt to thwart his plan with some special help from all her monster friends. As Halloween draws near, Scary Godmother begins drawing up plans for a spooktacular house party that her guests will be howling about all winter long. But last year's bash was just a bit too much for little Jimmy to handle, and in order to ensure that never happens again he plots to do away with Halloween once and for all. However, Jimmy's little cousin Hannah lover her tricks and treats, and when she realizes that her favorite holiday is in danger she calls on all her ghoulish pals to come out and play. Perhaps with a bit of hard work and some gruesome innovation, Hannah and her friends can prevent Jimmy from doing away with the most frightfully fun night of the year.