Wang Linxiao, the former "Long Yan" special soldier, was transferred to the National Security Division 9 due to injury. A biological crisis has quietly descended on Linjiang City, and the undercurrent of the transnational organization "Shadow Snake" is surging. Dragging his disabled body, he led his rebellious lieutenants and terrorist hackers to play against the devil in the neon city. When the countdown starts, he must make a choice: be a cold killing machine, or become the ultimate line of defense to protect the lights of thousands of families?