The story and acting are quite good. Though the show experiments with some horror elements, it’s more of a mystery story as the team chases after an evil spirit and their motives. If you were looking for true horror, you’re probably disappointed. I did find that the build-up and the setup can be quite slow in parts. Which is one of the reasons I can’t give it full marks. I did really love evil Kim Tae Ri. She was an absolute delight! Overall, this series reminds me a lot of Jirisan. It does make sense that this is part of Kim Eun Hee’s body of work. But it can't even touch Signal ...