One thing I really hate is when a foreign film tries to become a cliche Hollywood mystery film and fails. One thing I hate even more is when it succeeds. This film is by far the worst Korean film I have ever seen. Cliche Hollywood films are bad on their own, why would one from another country, even one where some of my favorite films come from, make it any better? The acting is extremely mediocre, the relationships are unbelievably fake, and the story is super predictable. I jokingly guessed who the real killer was from the very beginning, literally as soon as he/she (don't want to spoil anything w/ gender) was introduced. Then as the story moved along, I began to realize that I was absolutely right. Literally anyone who has seen at least one movie like this at one point or another in their life will be able to tell who is good, who is evil, who will die and when, who will fall in love with who, and all that jazz. Honestly, I've never been so disappointed in a film that I had no expectations for (which, I guess, isn't really saying much, but I'm sure you get my point).