You can call it a remake or inspired but this movie resembles Simon Yam's 'Eye in the sky' and a little bit of 'Infernal Affairs'. And that confirms when Simon himself appears as a cameo at the end. This Korean movie was very stylishly made especially the character appearances. An exciting pace with high tech electronic devices implements to spy the criminals gives a very modern look on detectives.
The movie begins with a twist at opening itself like some interview to hire somebody. Its a surveillance theme where a team of Korean intelligence works together to take down a group of bank robbers. Piglet is a given pet name to a newly recruited officer for the special crime unite. Her impressive observation talent puts her straight into a major spying case. Soon she gets her first field assignment to track the movements of one of the heist member. The thrilling story of 'Cold Eyes' tells how Piglet and her team led by Lee jointly acts to get the ruthless thieves.
This movie portrayed only between the two groups and nothing else like the rest of the world is blind. Between these two, the thieves and cops, it is demonstrated like a cat-mouse game. It was a good entertaining movie one can enjoy it thoroughly. If you have already seen 'Eye in the sky' or not, no matter this movie is still looking good on its own so you will have a good time. There were no hardcore stunts in the movie except a couple of quick sequences. After all it is a spying theme which fulfills its purpose in a stylish manner.