Nina Halliwell and Lydia, they are sisters, live in New York, in Brooklyn, a dangerous place, have powers, but one of them is the one with the infinite power and is stronger than the other, Loki is in Midgard, he pretends to be a director at a university for people with powers, he is concerned with the two girls, just to get closer to each other and kill the weak, everyone thinks is Lydia, but Nina, Nina goes unnoticed for all
