Harriet loves to be unseen on Halloween by dressing as she is--a vampire--without giving anyone a fright. It's when all the spooky, creepy creatures like goblins, witches, and vampires are allowed one day and night to run around with humans, knocking on doors, all doors, even spooky ones, for a tick or a treat. Follow Harriet on a spooky Halloween adventure where she learns that you don't have to like all the same things to be friends.