The lives of two men--a cop and a criminal--are questioned in the wake of a deadly epidemic in a futuristic, post-apocalyptic Hong Kong.The lives of two men--a cop and a criminal--are questioned in the wake of a deadly epidemic in a futuristic, post-apocalyptic Hong Kong.The lives of two men--a cop and a criminal--are questioned in the wake of a deadly epidemic in a futuristic, post-apocalyptic Hong Kong.