Trilogy formed by The Dark King, Cromlech of the white wolf and The Revenge. With an ancient curse, from the fourteenth century, Einar Collinwood creates a new breed: werewolves. But every 200 years, a white wolf is born with the possibility of breaking the spell. A girl sees how her life changes radically when she discovers that she is one of them, but her problems will not end there. The vampires, other creatures of the night, will not allow her to finish her mission. Natasha will have to trust her protector and a boy of her age to get freedom. Will she be able to free her race from the hands of the vampires? Or will they be the ones who end the creation of the dark king? Transport yourself to a fantasy world full of supernatural creatures. Are you a werewolf or a vampire?