China's national bestseller from a criminal psychology teacher at the Criminal Police University. One of the best examples of Chinese yamisu, a popular thriller in Asia that explores the dark side of human nature. The perfect combination of Inside a Killer, Tokyo Zodiac and Silence of the Lambs. Vampire. In the spring of 2002, three murders occur at once in Jianbin, China. Young women are strangled and disemboweled. Traces of their blood mixed with milk, which the killer drank...Fang Mu, were found. There is a very unusual student studying in the criminology department at Jiangbin University. Closed, unsociable, with dark secrets in the past and... a genius. His real gift is to notice the smallest details and make surprisingly accurate psychological portraits. At twenty-four years old, he has already helped the police catch several of the most dangerous maniacs and murderers...The Deadly Exam. And now someone as brilliant as he is crazy is challenging Fang Mu personally. First, a five-pointed star appears on the door of his room - the trademark of the famous Night Stalker. And the next day a corpse is found at the University. The killer exactly repeated the way the Night Stalker dealt with his victims. The only thing that doesn't fit is the syringe found next to the body. It seems that the criminal is inviting the profiler to play a game: if you guess the next maniac, you will prevent another death...