The series "Lie hu" is a Chinese detective thriller based on a real investigation. The story revolves around Xia Yuan, an agent of the new police department specializing in combating economic crimes. He possesses unique mathematical and deductive abilities and can easily unravel almost any case. However, he encounters an equally intelligent individual on his path - the enigmatic Wang Bolin, who is suspected of being involved in large-scale financial fraud but repeatedly manages to evade prison.