When the ghouls receive a mysterious message from Twyla, the daughter of the Boogey Man, they decide it's time to bring another monster to the new Monster High! But nothing is quite as it seems in the creeperific Boogey Mansion. With an eerie voice leading them through a crooked maze of rooms filled with tricks and treats, Frankie Stein, Draculaura, and Clawdeen Wolf don't know which way is up, down, or sideways! All they know for sure is that this is going to be one fangtastic adventure!