For all the nasty genre flourishes in director Kwon Oh-seung’s box of tricks, the result is never exploitative.

Kwon can’t resist over-egging the pudding in the final act with a protracted, borderline-silly finale; but even that excess makes it interesting.

Kwon Oh-seung's debut feature enters the pantheon of breathless thrillers, delivering a propulsive, unpredictable film that's lighter than most of its ilk but no less intense or well crafted.

Its A-lister serial killer [is] an effective metaphor for how discrimination can be as easy to get away with as murder as long as you can blend in with society.