Cold War 2

Four years later, the story continues as Acting Police Commissioner Sean Lau (Aaron Kwok) is promoted to the highest rank in the police force. Joe (Eddie Peng Yuyan), son of Deputy Police Commissioner Waise Lee (Tony Leung Ka Fai) who is behind the conspiracy, is taken into custody and Waise is forced to retire. But the mastermind remains unknown, until the resurface of a former police chief who unveils an unprecedented scheme to corrupt the police force. Things get more complicated when senior counsel Oswald Kan (Chow Yun Fat) leads an impeachment proceeding against Sean. Oswald's every decision is pivotal in determining who stays on top of the game.