28-Year-old Shen Qinghuan is the ace forensic doctor of the Criminal Investigation Detachment of the Municipal Public Security Bureau. He has solved many unsolved cases based on his motto "Corpses don't lie." At the scene of a gang vendetta, she found the fingerprints of her boyfriend Gu Zhao - who appeared to be the manager of a foreign trade company, but was actually an undercover policeman lurking in the "Qinglong Gang". While Shen Qinghuan used professional skills to restore the truth of the case (such as judging the time of death through body spots and identifying the murder weapon through trauma patterns), Shen Qinghuan secretly investigated Gu Zhao. The two had misunderstandings due to their conflicting identities: Shen Qinghuan suspected that Gu Zhao was the murderer. Gu Zhao alienated her to hide his identity, but silently protected her from gang revenge. As the case deepened, they discovered that the vendetta was a murder case carried out by the Qinglong Gang to cover up the drug trafficking network, and the victim was an informant with evidence. Shen Qinghuan discovered a new type of drug through autopsy, and Gu Zhao collected the drug trafficking ledger, and finally joined forces to destroy the Qinglong Gang. The murderer was arrested, Gu Zhao regained his identity, and the two put aside their misunderstandings and gained love. Highlights: The excitement of the forensic profession (details of the corpse), the suspense of the undercover identity (double life), the emotional push and pull (suspiciousness and protection), and the escalation of the case (from vendetta to drug trafficking).
