The peerless demon king Ning Yechen once unified the demon world and violently defeated the fairy world. Due to an accident, he spent a night with Luo Ruying, the poisoned fairy queen. Ten years later, Luo Ruying came with her daughter and was seriously injured and misunderstood Ning Yechen. In order to protect his wife and daughter, Ning Yechen concealed his identity and pursued the murderer. After a fierce battle, he found out who was responsible. He was finally forgiven and the immortals and demons were reconciled.
