Ayden is a young unstable and incredibly powerful werewolf, after his "studies" he became the Executor of one of the most famous packs, known for its power and cruelty and he only obeys the orders of his Alpha. But what will happen when he meets his soul mate? Will he choose to give up everything? Will Eira, an orphan hybrid of wolf and spirit, manage to survive and return to her family? Will she choose the voice of revenge for the pack that mistreated her or that of love for her partner?