The woman who sealed the suitcase, the serial suicide, the vampire from Jianghai University, the Nanda Dismemberment Case…I walk in the darkness and enforce the law in the light. I am a master psychologist and the king of solving cases. Behind every crime, there are secrets that are unknown. Let the master psychologist, Bai Qin, bring you into the depths of the criminal’s heart. First, people with depression or murderous tendencies should not read it to avoid being possessed. Second, this article is too bloody and dark. Please be prepared. Third, don’t try to guess the truth, because none of you can guess it right.