The Special Crime Investigation Department is a high-level crime solving department specially established by public security organs for some extremely special and difficult cases. This time, the Special Crime Investigation Department took over a series of suspicious serial murders. Criminal police officer Lei Tao found during the investigation that all three victims in the case had intricate relationships with a married middle-aged woman. However, the increase in victims has led to a tragic situation behind this caseThe unbearable tragedy makes the truth even more mysterious