Eulji Hae Yi (Kim Hee Sun, Ice Fantasy) is a lawyer at a prestigious firm. She cares only about her career. She constantly butters up the people who can help her succeed and completely disregards the poor. She is willing to do anything to win cases and has enjoyed a quick rise to the top at her firm. Ki Yoo Jin (Kim Young Kwang, Lookout) is Eulji Hae Yi's boyfriend. A doctor by profession, Ki Yoo Jin seems like a true gentleman to anyone who meets him. In Eulji Hae Yi's eyes, he is the perfect accessory to match her perfect resume in life. But behind his handsome face and demeanor hides something dark. Jang Hwa Sa (Kim Hae Sook, Saimdang: Light's Diary) is a death row inmate. She became a household name when her infamous "poison murder case" became a hit with the sensationalist media. She has been on death row for 33 years, with no chance of getting out. When Eulji Hae Yi visits the strange visitation room 9, where Jang Hwa Sa is waiting for her, something happens. Eulji Hae Yi switches bodies with the inmate. Now the lawyer must figure out how to save her client as if her own life depends on it. Because, for once, it actually does. Also known as "Room Nine," Room No. 9 is directed by Ji Yeong Su and written by Jung Sung Hee. It aired in 2018.