During the Wanli period, demon troubles suddenly broke out in the peaceful Lin'an City. They captured the demon master A'che, the yin-yang-eyed king Hu, and the general's son Ajin, and killed the demons in the city.
Demonic disasters continue one after another, and even the person on A Che's pillow seems to be hiding murderous intentions. What is his life experience? How many secrets are written in a notebook? After peeling off layers of cocoons, the truth was about to be revealed to the world, and Ah Che gradually discovered that fate had been arranged as early as the beginning...