In the modern urban context, there is a "yin world" that ordinary people cannot detect. The Yin Vein is an energy system formed by the grievances, obsessions, and fears accumulated in human history. It will experience a "Yin Tide" every hundred years, leading to large-scale outbreaks of supernatural events. The traditional method of exorcising evil spirits is divided into four major schools: talismans, magic circles, weapons, and curses, but they have all declined.
Protagonist: Chen Mo, 23 years old, an ordinary company employee. His parents died young and he lives with his grandmother. After his grandmother passed away, he left him a simple bronze ring, about which he knew nothing. Due to financial constraints, while working part-time as a delivery boy late at night, he accidentally entered an old-fashioned apartment known as the "Blood Rain Haunted House" on the Internet, which opened the door to the Yin world.
