Raised in a human royal court, werewolf‑knight Caelan secretly loves Prince Emeric yet suppresses his feelings. A drunken night leaves a claiming mark on Emeric. Betrayed in a staged poisoning, Caelan flees. Five years later, he seizes the realm. The dormant mark reawakens, triggering baffling physical urges in unaware Emeric, whom Caelan holds hostage.