Director Johnnie To and star Lau Ching Wan reunite for this exciting sequel to the box office hit. Now a superintendent, former hostage negotiator Sang (Lau) hopes for a change in his mundane routine. He gets his wish when a mysterious man (Ekin Cheng) confronts him in a hostage situation and challenges him to a game of ransom. Intrigued, Sang vows to win the game and capture the elusive figure.