The Guest - Season 1 Episode 9 It’s Not Your Fault
Overview: The possessed girl Seo Yoon lures her mother into outside at late night and puts her in danger. Hwa Pyung, Yoon and Gil Young start to search them, but Yoon ends up being locked up in a basement with Seo Yoon. Yoon gets threatened by the evil spirits that possess Seo Yoon. In the meantime, Congresswoman Park Hong Joo goes to meet someone in the dark alone.