Yi Tian is a middle school Russian teacher. In order to investigate the mystery of the disappearance of his students, during the investigation, he happened to meet the male number three "Yan Chu". Many "unusual events" happened in the center and came to Qingchong City. During this period, Yi Tian's lover Xia Jie woke up from a coma due to "coincidence". In order to explore the secret of his coma, the three of them entered the investigation together, but found more and more strange and weird secrets.