In the Werewolf Empire, apart from the small packs, there are only two big packs. These two packs, The White wolf pack and the Black wolf pack, swore allegiance to each other to be brothers for life. Not until White wolf pack decided to join hands with the small packs to destroy the Black wolf pack. Lydia Martin is the Princess of the Werewolf Empire and White wolf pack. She's the King's only daughter and will be turning 18, after her mother's death her father became her worst enemy. Her father the King, decided to throw a feast to celebrate her 18th birthday, although this party was being held to mark her coming of age, her father intended to give her out to be nobles of the small pack who helped him conquer the Black wolf pack so as to maintain peace relationship with them when he heard of their plan to attack his own kingdom so they can become the big packs. Derek Hales, the Alpha of the Black wolf pack and the enemy of the White wolf pack, must avenge the death of his parents and his pack and take back the empire which is rightfully his. And he picked the day of the feast when Lydia would be turning 18 and when all the packs who helped kill his parents and pack will be together so he can strike once. What will he do when he finds out Lydia is his mate??