 A long long time ago a wizard was put to death, but he swore vengeance on the townsfolk that did him in, particularly Arthur Kelly s family. Arthur had done the final graces on him when he came back to life as Mr. Jack the Pumpkin Man. The Kellys proliferated through the years, and when some devil-may-care teens accidentally unleash Jack-O, young Sean Kelly must stop him somehow as his suburban world is accosted and the attrition rate climbs.