Sisters From Hell | Klaus Mikaelson Fanfiction

Natalia and Margaret are vampire siblings who have been alive for five hundred years. Since they were turned when they were sixteen years old they blend in easily with younger people, which is why they worked as Klaus' spies. When Klaus finds out who the doppelganger is he sends in his favorite vampire sisters into Mystic Falls to spy on Elena and her friends. Who's to say how messy things can get?