On a rainy night, black liquid seeped from the cracks in the door of the rental house, and the "Death Clock" software suddenly appeared on the mobile phone, accurately predicting the time of death. Chen Yan, a retired special affairs investigator, had just moved into Room 1803 of Wangjiang Xiyuan when he was involved in a conspiracy to connect urban ghost stories. The non-existent Room 1804, the reality show that devours the contestants, the mirror that reflects the future, the shadow that is out of control... These strange events scattered in the corners of the city all have the hidden symbols of "all the schools of thought" hidden behind them.
