Ling Tianshu was once an office worker in the city. An accident gave him the key to the "Heavenly Dao Prison," which holds countless ancient gods, demons, and extraordinary beings capable of destroying the world, all imprisoned for heinous crimes. As its sole warden, he must not only manage these strange inmates, but also maintain the balance between the human world and the supernatural realm. Whenever supernatural forces plunge the world into turmoil, he can draw on the prisoners' forbidden powers to confront the crisis... As one supernatural incident follows another, Ling Tianshu gradually discovers that an ancient evil god hiding among the prisoners is plotting to seize the authority of the Heavenly Dao, and that he himself is a crucial part of the scheme. Facing betrayal and threats from hostile forces, Ling Tianshu learns all kinds of supernatural skills from the prison's inmates while investigating the mastermind behind it all in the modern world under an ordinary identity. Little by little, he uncovers the tangled relationship between supernatural beings and human society.
The story is full of collisions between urban life and supernatural forces. Ling Tianshu leads a quiet, ordinary life in the real world while reigning as master of the Heavenly Dao Prison, controlling the fates of ancient gods and demons. It features both fiery battles forged by deep brotherhood and warm, healing everyday interactions, showing the courage and perseverance people can summon when faced with the unknown and the terrifying.
