Where Can I Feel at Ease?

The fact of the crime is not terrible, what is terrible is the humanity behind it. Ling Anan, a doctor of criminology from the University of Cambridge. An accident caused him to stay in China and began to analyze incomprehensible crimes, how to discern the murderer's life from the crime scene, and how to help the police find the murderer through criminal profiling. After falling deeply into the world of sin, how should Ling Annan save herself?