The Identity of the Undercover Agent of the Crime Unit Is Exposed

Forensic doctor Su Qing secretly investigated his ultra vires behavior, but deputy captain Li Zhengyan had already been bribed. When retired criminal policeman Zhou Guoliang appears with a trafficking file, the two brothers are involved in a larger conspiracy - Zhao Qingtian's real goal is not drugs at all, but to use their blood to activate an underground vault that has been buried for twenty years.