The fighting, violence and soundtrack of the film continue the consistent style of Hong Kong films, which is compact and natural with strong visual impact. But the biggest selling point should be the discussion of human nature after creating the suspense of reeling process. Louis Koo's performance is also a bright spot. In the past, he played mostly flat good people, while Wang Xinyuan was a round figure with both good and evil. The complexity of his personality is closer to the real world, and it is easier for the audience to have a relationship with him.
The place where Wang Xinyuan and He Zhaodong fought is also very symbolic. This is a cemetery, symbolizing death and evil, but the starry sky above the cemetery is also a symbol of life and kindness. When Wang Xinyuan robbed a jewelry store, he represented evil, but when he risked being killed and wanted to avenge his brother, he was also the embodiment of "loyalty"; When he betrayed the red hair, he was also the embodiment of "loyalty" Police officer Ye is the embodiment of "justice" when handling cases and arresting criminals, but it is evil when he chooses to do something by "lynching" in order to avenge his subordinates, even bringing innocent people into trouble.
The end of the film is really a bit unfinished, and there is no pen and ink to tell why Wang Xinyuan has such a character, but it is just a cursory matter. Police officer Lin finally said: "People will do good things and do bad things." Let's put it this way: good people will do bad things and bad people will do good things, but how to be a good person, how to be a bad person, and how to judge in many cases? The hero did something wrong and broke the law, and should be punished by law.