The police undercover, was taken to court and sentenced to death. A memory live broadcast revealed a century-old case spanning 30 years. Brothers who betrayed at any time, colleagues with multiple identities, and friends who secretly caused trouble. In the dark forest of trust, no one dares to expose his true existence. When the truth is pieced together bit by bit, and the identity is peeled off layer by layer. After discovering that the criminals around him are all undercover agents, Chu Han, who is an undercover agent, can't help it. A room full of undercover agents, youLet me be the boss? Play?!