The premise of this movie was interesting but the ending was a bit anti-climatic. The cast did an excellent job in bringing to life the characters but it didn't completely make me feel for the characters- there was something missing in building that connection to the audience. There were also some moments in the movie where it felt a bit slow, but most of it was fast-paced. The ending was wrapped up alright, but it did feel a bit incomplete, particularly towards the villain. It was overall a decent movie to watch but there are better Korean action movies out there.