Okay, I went to this show with little expectations, but I wanted to see it for the cast. And I did not regret! I got hooked from the first episode only, and the cast does an AWESOME job. The story is well written out and has a good amount of suspense. I loved how they quickly revealed who the killer was, so we could enjoy the comedy moments between the fake and real psycho when they didn't know who they were! The OST was also pretty good and matched the drama. I also got some good comebacks out of this drama lol.