Ghouls rule at MONSTER HIGH!

The ghoulfriends new GFF, Wydowna Spider, is about to clear the cobwebs surrounding the mysterious threat to the school. The previous generation of monsters formed a secret society which seems bent on turning MONSTER HIGH into a place where it's ghoul versus ghoul! But when Rochelle Goyle, Robecca Steam and Venus McFlytrap uncover a second ancient group of monsters, they don't know who to trust. One of the trio will discover that her own scaritage holds the key to solving the mystery. The fate of the student disembody is in their hands!