Ye Lingchen, the demon king who was once invincible in the six realms and unified the world, later felt lonely and boring, and retreated to the mountains and forests of the human world, and the six realms returned to their old pattern. Thousands of years later, Luo Lingxi, a saint from the fairy world, was poisoned by love and escaped into the human world, and unexpectedly had a physical relationship with Ye Lingchen. Ten years later, Luo Lingxi was hunted down and fled to the human world with her son Ye Lingchen. She was seriously injured. She found Ye Lingchen to take care of her. Seeing that she was seriously injured and dying, Ye Lingchen's eyes suddenly turned cold, and he immediately decided to kill her and go to heaven to seek justice.