Senior police officer Bao Weixiong (Sean Lau) of the Crime Unit suffers from a deep sense of guilt for shooting someone to death. Former civil engineer Mai Kun (played by Wu Zhenyu) lost everything due to a failed horse betting, so he took a chance to prepare for his shocking case. But he didn’t want to be put in jail by Bao Weixiong on suspicion of murder from the beginning. I thought the case was over...