Sebastian Lykos did not agree for his sister to be married to the Omega but he was all about the law and the law of Mates was sacred for the members of Shadow Pack. So, he had no choice but to accept Zack Adamos as his new brother-in-law.

He did not believe mates as he witnessed the bitterness of marriage of his own parents that refused him to accept the idea of his mate somewhere out there. But he never thought that his mate would be a human.

Karisa Papadoupoulus has been fascinated by the stories of werewolves and the finding of mates. She has been told by his grandfather that one of the wolves has the power to turn a human into one of them. But the Ultima is sacred and they are to be respected.

Little did she knows when she met Sebastian, her friend's brother was the turning point of her life. Would she be willing to be a werewolf if she had a choice for she was destined to the Ultima as his mate? Or would be run away and never again to turn back to Paphos for all its secret has been revealing to her?