This movie was seriously good. Funny and sad at the same time, is a roller coaster of emotions with the enough dose of action in it. So, the story is about an undercover agent who lives as the fool of his neighbourhood in order not to get discovered. The performances were really good from every actor, and especially touching, as they portrayed brotherhood, friendship, loyalty but family dynamics as well. The first part of the movie is more comical, with the funny scenes replacing the action ones with ease. The second part is packed with action and drama, with the final tragic ending that concludes the movie, leaving the audience with a human, bittersweet message. I loved the fact that the ending wasn't predictable, or smoothed down so the final scene will have a happy ending. So, 8 out of 10.

I played it with no huge expectations or excitement, since I, my self, were also here because of the cast + I am not a huge fan of action movies. Well, let me tell you, ladies and gentlemen, that this was one of the most stunning and unique movies I've ever seen. I am not even exaggerating. I was literally blown away by it. The plot was well- done - beautiful ordinary story, starting almost imperceptibly, which later turns into something really deep and personal filled with all kinds of emotions.At first, it seems too long indeed, but it absorbs you so much you don't feel the hours passing by. You can't help but laugh at the beginning and you can't help but cry a river in the end. It really pictures well how the real world is and how tragic the political conflicts are. You get the two points of view and learn that soldiers are something much more than killing machines. This movie had everything - exciting plot, laughter, tears, good acting, good scenes, everything. I strongly recommend it to anyone, regardless of your genre preferences. I really believe that it is a movie worth seeing and it will not let you down.

I think this movie is great and well-balanced. The first halve is funny and entertaining while the second halve has more actions and tear breaking. At the beginning, the story is very entertaining with lots of funny parts and then gradually moved into a more heavy section in the middle of the movie. The turning point was written in a smooth way. It does not make you feel odd. All the action scenes are gorgeous and well-designed. The scenes are really beautiful and the acting of the 3 main characters are awesome especially the main character played by Kim Soo Hyun. He needed to act as an idiot and also a very cool spy at the same time in this movie. It's not an easy task but this actor nails it. The audiences can see and feel that he had put tonnes of effort in preparing for this role, especially the way that he trained his body in such a perfect shape. The face and body of Mr. Kim Soo Hyun would remind you the image of Bruce Lee. It's definitely worth to watch. I would recommend it to all my friends.

This movie is actually great. The overall package of comedy, action, and drama deserves an appraisal. I smirked, laughed, tensed, and touched from the beginning till the NEAR end of the movie. And I think we need to give a standing ovation to Kim Soo Hyun, as he delivers the character of a top spy and a dumb fool very very well. This is one of the things in the movie which is worth to watch. However, somehow, I feel like there are some things in this movie which are actually unnecessary to be put into. The transformation of "the ajusshi" into "the professor" (I forgot his name) by putting on his glasses and suddenly turning dark-ish is a little bit exaggerated. Then the story of the professor's guard's sister who was saved by Lee Hae-rin which became the reason why he saved Hae-rin was cheesy. I mean, it would be better if it was another reason, or whatsoever. I don't know what it should be, but there must be a better reason or scene for that. There are also some other things that disturbed me at some points on the movie, but, well, I forgot what they were. It just came across my mind at some time and disappeared. In addition, I just don't like how the story end. Maybe I was just too immersed with the story, but, do they really have to do that? I just don't understand why the movie was made that way. I'm somewhere in 'the-movie-is-excellent-or-it's-just-above-average' zone, but 90% of me loves the movie. So, yeah, it's a strongly recommended Korean movie to watch. Seriously.