A strange case happened in Haifuxiang Hospital! Ruan Yannian, the eunuch who was favored by Puyi in the Manchu state, woke up from a severe coma, smashed his head in an incredible way, and dug his own brain to eat. The abbot of the dojo was convinced that it was harmed by the "Three Corpse Insects", the resident deity responsible for monitoring, informing and sabotage. Song Mei and Wan Guobao, who were in charge of the investigation, originally laughed at these things, but Geng Shen day and night, the three corpse bugs ran out of the patient's eyes in front of them... Seeing is proof? wrong! What amazing secrets and conspiracies are behind this bizarre, they are determined to reveal!