Chasing the Murderer in the Death Zone

Taking advantage of the holidays, Yu Shengnan (played by Qi Fang), a female professor at the Medical University, came to the Guanghua Relief Society to provide medical consultation to the poor. Inspector Zhong Lang (played by Zhong Hanliang) of the patrol room ) came here to visit Katsuo and got acquainted with Uncle Tong, the head of the relief society who had helped Katsuo back then. Zhong Lang also took this opportunity to introduce Sheng Nan to someone who had in-depth knowledge of her parents' case. Duan Muyan (Kaohsiung), who was detained in a French prison for treason, was evasive, much to the annoyance of his daughter Katsuo who came to inquire. At the same time, Mr. Su, a refugee who met Zhong Hui (played by Tu Liman), was killed, which implicated a series of refugee killings. Katsuo detected a mysterious toxin from the corpse, but unexpectedly it led to disaster on himself. Zhong Lang (played by Zhong Hanliang) and his partner Han Fei (played by Shi Xiaolong) intervened in the investigation, and the clues were actually related to Duan Muyan. The dark curtain hiding a war conspiracy slowly emerged, and Zhong Lang and the others faced an unprecedented sinister opponent...