Tired of being under her popular older sister's shadow, Howleen Wolf stumbles upon an ancient genie lantern hidden deep within the attic of Monster High. The genie, named Gigi, is freed and grants Howleen not 3, but 13 wishes! At first, all her screams come true. But Howleen soon discovers that each wish comes with a dark side and finds herself under an evil spell of temptation that wreaks havoc on the student body of Monster High. Join Frankie Stein, Clawdeen Wolf, Draculaura, Abbey Bominable and the rest of the Monster High ghouls on an all-new DVD movie adventure as they strive to save Howleen… and the very soul of Monster High.