Twist Ending Not For Everyone'sTaste (Spoilers - not that anyone cared)
It's really bold: the hero gets murdered by his boss(!) and the villain gets away. An indirect indictment to corruptions in modern China? That's for evrybdy's guess.
Good guys always win in Cop-vs-Mob movies? Certainly not in this one!
That's a Smith & Wesson...and you've had your six.