The head of the Jiangyuan County Public Security Bureau receives orders from above and assigns Lin Mumu to form a major-case unit to crack down on a cultural relic smuggling ring led by "Dr. T" in the underground antique world. During the investigation, it is discovered that the case is connected to the brutal massacre of the Xu family that took place over a decade ago. With the police's relentless efforts, all stolen artifacts are recovered, and justice is finally served for the Xu family