The 1940 Double Agent Mission

Modern criminal police officer Yu Haibin travels to 1940, becomes Rex Chandler, action team captain of the Military Statistics Bureau. He holds the dual identity of 'Xiao', secret envoy of the anti-traitor department. He maneuvers and engages in strategic games on the covert front, contributing to national justice in the turbulent era. He lives a double life, facing life-and-death confrontations.