Fang Luoan, a half-werewolf, was five years old when his father was killed. He was then adopted by vampire Fang Yanchen. Today, twelve years later, as Fang Luoan is about to reach adulthood, his werewolf attributes are beginning to emerge. His uncontrollable emotions and the abnormal power he has have caused a ton of terrible troubles. But what he never expected is that Fang Yanchen, whom he has been living with, is the foe that killed his father…