The cities of the 21st century are prosperous and peaceful on the surface, but demons and ghosts are rampant secretly. Heaven and the underworld have already closed their passages after the Three Realms War. The human world has lost the protection of gods, and all kinds of evil spirits have taken advantage of it. The "dark world" hidden in the shadows of the city is a paradise for monsters, ghosts, evil cultivators and fallen immortals. Lin Bei signed a contract with the three major rebels in heaven and became a talker in the human world.