A half-werewolf, Fang Luo An was five years old when his father was killed, and soon after he got adopted by a vampire named Fang Yanchen Now, twelve years later, as Fang Luo An approaches adulthood, his werewolf attributes begin to show his first signs. The uncontrollable emotions and unusual powers caused a lot of troubles that scorched him, and what he didn't expect was that Fang Yanchen who lived with him was his father's enemy ...