The ghoulfriends' new GFF, Wydowna Spider, starts to clearthe cobwebs about the mysterious threat to Monster High. The previous generationof monsters formed a secret society that seems bent on turning the school intosomething that's more like a prison! But when Rochelle Goyle, Robecca Steam, andVenus McFlytrap uncover a second ancient group of monsters...the fate of thestudent disembody is in their hands!