خلاصه داستان : قرار است تا دوباره بچه های هیولا دور هم جمع شوند و درسهای جدید یاد بگیرند . "برنی" می خواهد به 13 آرزویی که مادرش برای او پیش بینی کرده است برسد...

It’s a new school year at Monster High™, and the little sister of Clawdeen Wolf™, Howleen, is determined to be more fangtastic than ever. Her dream of popularity turns out to be easier than anyone imagined when she stumbles upon a genie named Gigi Grant™ who grants her not 3, but 13 Wishes! But the ghouls quickly learn to be s-careful what you wish for because each wish comes with a dark side, and soon the student disem-body of Monster High™ is turned upside-down! Join Frankie Stein™, Clawdeen Wolf™, Draculaura™ and the rest of their creeperiffic ghoulfriends as they journey deep inside the magic lantern to save the very soul of Monster High™… while flashing their killer style every step of the way!

خلاصه داستان : هنوز هم درگیری قدیمی بین نورمی‌ها و هیولاها ادامه داره. سالیان سال هیولاها همه را از شب هالووین و حوادث آن شب می ترسانند تا اینکه در یک شب هالوین، در ماجرایی نورمنر عاشق جوانی می شود که از خانواده هیولا هاست و…

Monster High: Ghouls Rule unearths an old conflict between "Normies" and monsters - and things are about to get scary! For years, students at Monster High were warned that Halloween was a night to stay inside and avoid conflict at all costs. But Frankie and her friends discover that ghouls and "Normies" once loved to spend the holiday together! The ghouls decide to turn back the clock and use the night to celebrate their individuality and show that it's okay to "Be Yourself. Be Unique. Be a Monster!"