A short time after the encounter with Skulker, things have been getting back to normal for the ghouls at Monster High, and seemingly are about to get better. However, something far worse than they could ever imagine has arrived at Monster High but will the girls be able to recognize the danger their in or will it be too late?
An unknown monster has been taking students from Monster High, leaving the Ghoul Squad with only one option, find the ghoul called Danny Phantom and hope he can help them find and rescue their friends.