A half-werewolf Fang Luo An's father was killed when he was 5 years old and was adopted by a vampire, Fang Yanchen. Today, twelve years later, when Fang Luo An is about to reach adulthood, his werewolf attributes are beginning to emerge. The uncontrollable emotions and the power difference between him and ordinary people caused a lot of troubles that made him feel miserable. What was even more unexpected for him was that Fang Yanchen, who was always there for him, was the murderer of his father, his enemy...