Formula zla

Keti Harmon — obychnaya devyatiletnyaya devochka, kotoraya lyubit mul'tiki i detskie knizhki, i tol'ko ee mat' Sara znaet, chto v zhilah u nih obeih techet durnaya krov' zhestokoy ubiycy. Etu taynu Sara hranit vsyu zhizn', skryvayas' ot tekh, kto ishchet sledy ee biologicheskoy materi. No kogda na glazah u Keti tragicheski pogibaet ee nyanya Anna, nasmert' razbivshis' o skaly, v dushe Sary ozhivay...