Extraordinary Mission

Police officer Lin Kai is assigned to be an undercover in a drug cartel by his leader Li Jianguo. As he gradually penetrates into the "Twin Eagles" drug cartel, he discovers that the big boss named Eagle has a connection with a crime case ten years ago which was investigated by his leader Li Jianguo who was also an undercover at that time. In order to gain Eagle's trust, Lin Kai becomes a drug addicts. Not only does Lin Kai have to fight with his drug's addiction, but also must find out Eagle's drug production base. Accidentally, he learns that Eagle seized Li Jianguo's leader Ning Zhi for ten years for revenging on Li Jianguo. Ning Zhi also involved in the investigation of the crime case ten years ago. To save his comrade, Li Jianguo comes to the Eagle's base alone, while Lin Kai follows Li Jianguo to fight the drug dealers. What is waiting for them is another extraordinary mission!