What if your Halloween costume could turn you into a superhero? That's the question facing 13-year-old Eve Halloran. From the moment she put on the strange, orange and black outfit that she found in her mother's closet, she has discovered that it can give her supernatural powers. Now, to learn the secret of her new abilities, Eve must try to solve the mystery of a legendary superhero who disappeared during World War 2. But she had better solve it soon. Because the notorious arch-villain Jack-O-Ripper has surfaced after years of hiding. To stop him, Eve is going to have to fight her way through an army of monstrous clones, acid-spitting larvae, a radioactive ghost and a Voodoo doll with a mind of its own. Get ready for a Smack!-O-Lantern of excitement with a girl so tough... it's scary!