Room No. 9 is the story of two women whose fate is switched as they exchange bodies, and a man who holds the key to that fate.
- Drama: Room No. 9 (English title) / Room Nine (literal title)
- Revised romanization: Nainroom
- Hangul: 나인룸
- Director: Ji Yeong-Su
- Writer: Jung Sung-Hee
- Network: tvN
- Episodes: 16
- Release Date: October 6 – November 25, 2018
- Runtime: Sat. & Sun. 21:00
Eulji Hae-Yi (Kim Hee-Seon) is a lawyer at a big law firm. She flatters people who hold power, but looks down upon those who are poor. Eulji Hae-Yi does anything to win her cases. She will soon receive a promotion to senior partner at the law firm. Her boyfriend is Ki Yoo-Jin (Kim Young-Kwang). He works as a doctor. He seems like a gentleman, but he hides his cruelty.
Meanwhile, Eulji Hae-Yi meets death-row convict Jang Hwa-Sa (Kim Hae-Sook) in room 9 in the prison’s visitation area. In room 9, when Eulji Hae-Yi meets Jang Hwa-Sa, their bodies are exchanged.
- “Room Nine” takes over tvN’s Sat. & Sun. 21:00 time slot previously occupied by “Mr. Sunshine” and followed by “Memories of the Alhambra” on December 1, 2018.