Forensic doctor Su Xiaotang, who uses an optimistic and cheerful "pistachio" appearance to hide her persistence in the truth, is involved in a strange mystery of "lost souls" due to a series of murders - the victims all showed mental abnormalities before their death and seemed to be manipulated. During the investigation, she met the talented psychiatrist Lu Shiyan. He was a strategist and could always see through the psychological traps behind the cases. The two teamed up to investigate, but found that the hypocritical charity doctor Wen Jingran was acting suspiciously, which was related to the victim's schizophrenia symptoms and even Su Xiaotang's own hidden past. In order to uncover the real culprit and rewrite his manipulated destiny, Su Xiaotang sheds his relaxed appearance and reveals the cold truth about urban crime between autopsy reports and psychological games.
