Lizzie Lane a l'habitude de vivre au sommet de la chaine alimentaire. Sa vie presque parfaite bascule lorsque Rachel, une victime sociale de Lizzie, reussit a lui attirer des ennuis a l'ecole. La vengeance de Rachel detourne de Lizzie meme ses amies les plus proches. Lorsque l'etrange nouvelle voisine de Lizzie lui enseigne quelques notions de magie, Lizzie ne peut s'empecher de jeter un sort a Rachel. Mais elle oublie la
Loi de trois , selon laquelle tout sort que l'on jette revient vers soi multiplie par trois, et elle devient la victime de son propre complot de revanche. Lizzie Lane is used to life at the top of the food chain. Her near-perfect life is ruined when Rachel, a girl she socially destroyed, exacts her revenge by getting Lizzie in trouble for cheating on a test. Friendless and facing detention, Lizzie obsesses over finding the perfect revenge. When Stella, Lizzie’s strange new neighbor, teaches Lizzie about magick, Lizzie can’t resist creating a revenge spell. But she forgets the rule of three, that whatever spell you cast comes back on you three-fold, and her zit spell backfires with dramatic results. When she asks for help from Stella’s Baba, the only advice she gets is to write the lesson of the zit on her heart. Can Lizzie find a way to teach Rachel a lesson without causing permanent disfigurement to herself?