Lin Yu, the soul of the Binhai City Criminal Investigation Brigade, has repeatedly solved strange cases in previous cases by virtue of his deep understanding and keen insight into criminal psychology. Faced with this difficult serial murder case, he knew that the murderer was no ordinary person, and every detail might be the key to solving the mystery. Su Yao, as the forensic doctor in the team, relied on her superb skills and serious and responsible attitude to not let go of any clues during the autopsy process, providing crucial clues for the investigation of the case. There is also the technical policeman, who relies on his superb network technology and data analysis capabilities to sift through massive amounts of information, trying to find traces of the murderer in the electronic world. This is a battle between justice and evil, a showdown between wisdom and courage. How will Lin Yu, Su Yao and the technical police fight against the evil in the fog?
