Zheng Jian, the captain of a criminal investigation team in a certain city, and a female reporter Wen Shu, have a series of murders and kidnappings happening around him... Xin Yueqiu, the legal heir of Qiuxiang Villa, suddenly died on a dark night!During the investigation, the murderer set up various illusions, and the suspects died mysteriously one by one. The case was confusing. Tao Yanqian, the wife of Qian Sencun, the director of Qiujiang Home Appliance Factory, died in the bed at home. Three men appeared at the scene, were they killed love, revenge, or... The owner of the bookstore, Rong Xiaoying, suddenly died in the store, was she committed suicide or murder?Why does a university professor repeatedly kill people?At night, Wenshu and his ex-husband Siqiang found Susan's body near Yunwu Hotel. After investigation, Susan was a greedy and cruel woman. Who killed her and why did she kill her?Wenshu received a mysterious call. When she arrived at the location, she found that the beauty Youya was almost naked on the bed. When she woke up, she found that her only son was missing. In order to pay the ransom, Youya, Zheng Jian and some mysterious people boarded the ship to Dongshan, recreating the "Nile River Massacre"... The play, through the analysis and investigation of each case by Zheng Jian, Wenshu and the criminal investigation team, cleared out the layers of fog, dug out the culprit, and revealed the truth. Every ending is unexpected, and every reasoning is the same spirit!