Dear Korean film industry,
Please stop trying to make artsy titles for your movies. Literal translations are fine. If it's good enough for Korea, it's good enough for us. "The Monitors" or "The Watchers" or even "The Observers" would be fine titles; interesting and also indicative of what sort of plot we can expect. Yes, even "Stake Out" would be better (if not best).
Cold Eyes? I'm already not interested. It sounds like the unpleasant sensation I would feel if I were forced to watch this.