Kairos - Season 1 Episode 15 The Gap
Overview: Ae Ri waits for the phone call, but it never reaches her. Worried that something might have happened to Seo Jin, Ae Ri does everything she can to keep Da Bin from getting kidnapped. In the end, Ae Ri, Geon Wook, and Soo Jung plan to sneak into the charity event in order to protect Da Bin. While doing so, Ae Ri gets into trouble.