Taking the flood control duty at night after a heavy rain as a clue, Dongfang Lei, who was on duty, discovered an abnormality in the engineering data. He secretly investigated but was anonymously threatened. His daughter was blocked from entering school due to a lack of connections, and his wife was diagnosed with a serious illness that required high medical expenses. Under the triple pressure, he attempted suicide by taking pills in the office. Detective Di Renjie of the Tang Dynasty was possessed by Dongfang Lei at the moment of his suicide. This ancient detective master had to use his wisdom and logic to embark on a journey of self-redemption full of humor and irony in the modern social media era.
