The clever twist here is that, in the character of Liu Jinxi / Tang Dong, the good guy and bad guy are one and the same.

更巧妙的是，在刘金喜/唐东这个角色中，好人和坏人的成分在同一个人身上得到充分体现。

youdao

Then you're the good guy, and they're the bad guy.

那样，你就成了好人，他们就成了坏人。

youdao

Good guy wins, and bad guy loses.

好人赢了，坏人输了。

youdao

I'm in black, you're in white, the good guy and the bad guy.

CNN: Andrew Lau Interview on Talk Asia

"It was almost like wrestling, when the good guy turns bad and the crowd turns on him, " Wilson said.

CNN: Anger over West's disruption at MTV awards

In these cases, and thousands like them each and every year, it is not so clear who is the "good guy" exercising responsible self-protection and who is the "bad guy" who can only be deterred by an armed citizen.

CNN: Guns endanger more than they protect