A professor and academic advisor who is the suspect and eventual confessed killer in Lin Weiwei's murder case. He wears thin gold-rimmed glasses giving him a refined scholarly appearance. He is manipulative and cruel. He claimed to have only a minor disagreement with Lin Weiwei over a research project. He had a wife named Su Ying with whom he grew up as childhood sweethearts. He was arrogant and insulting toward Lu Zheng during interrogation, calling him incompetent. He eventually broke down and confessed after DNA evidence and bloodstained fabric linked him to the crime.