The protagonist, Ling Tianshu, was originally an urban white-collar worker. An accident allowed him to obtain the key to the "Tiandao Prison". The prison contains countless ancient gods and demons who have committed serious crimes, as well as extraordinary beings with the ability to destroy the world. As the only "prison warden", he not only has to manage these aliens, but also maintain the balance between the human world and the supernatural world. Whenever there is a turmoil of extraordinary power in the world, he can obtain forbidden power from the prisoners in Tiandao Prison to deal with the crisis... As extraordinary events occur again and again, Ling Tianshu gradually discovers that there is an ancient evil god hidden among the prisoners who is trying to seize the power of Tiandao, and he has become a key part of his conspiracy. Faced with the threat of betrayal and hostile forces, Ling Tianshu learned various extraordinary skills from the prisoners in the prison, while tracking down the mastermind in the real world as an ordinary person, and gradually uncovered the intricate relationship between extraordinary people and human society.
The work is full of the collision of urban life and extraordinary elements. While Ling Tianshu lives a low-key and ordinary life in the real world, he becomes the master in the Tiandao Prison, controlling the fate of ancient gods and demons. The story includes both passionate battles of deep brotherhood and warm and healing daily interactions, showing people's courage and persistence in the face of the unknown and fear.
