Line Walker

Plot Synopsis

The female undercover agent Ding receives a mysterious message sent in the Kang's code. An undercover agent who claims to be "Blackjack" says that he has lost contact with the police force. Ding immediately reports to her superior, Q Sir, and a round of "searching for the undercover agent" operation is launched immediately. During the process, Ding is lured to a casino and is shocked to find that Qin Huanxi, who was shot dead years ago, has "come back to life". Meanwhile, Q Sir finds out that a certain business group is secretly involved in a Brazilian drug deal and narrows down the possible location of "Blackjack". The people involved in the deal include Guo Ming, the chairman of the group, the strategist Alan, Alan's right-hand man Shaoye, and Qin Huanxi who is trying to make a comeback, etc. At this moment, everyone begins to realize that there are undercover agents lurking around. Everyone starts to be suspicious and feels in danger.