Lu Haoran, disguised as a new criminal police officer, and Tanya tide, who was lurking in the forensic room, were forced to partner up because of a serial skinning case. They doubt each other's identities, but they rescue each other at the critical moment of life and death. When a double undercover encounters a double agent, who will tear off the first mask first? Behind the truth is a shocking conspiracy that subverts the entire city.
