Annie, a human, fell in love with Fenrir, the wolf king, and bore twin half-blood children. Yet they were brutally exiled due to blood prejudice and Mara’s malicious schemes. Five years later, the twins’ werewolf blood awakens unexpectedly, dragging the whole family back into power struggles and deadly hunts. Following the clues, Fenrir uncovers the truth of the past. While protecting his wife and daughters, he exacts revenge on the real mastermind behind all the crimes.