The story of two women whose fate is switched as they exchange bodies, and a man who holds the key to that fate.[5]
Cast
Main
Kim Hee-sun as Eulji Hae-yi, a beautiful but manipulative lawyer who has a 100 percent success rate in court.
Kim Hae-sook as Jang Hwa-sa, a death-row convict who is the infamous killer behind a poison murder case.
Kim Young-kwang as Gi Yoo-jin / young (real) Gi San, Hae-yi's boyfriend who is a family doctor. He seems to be smart and gentle but he hides an inner dark side.
Supporting
Lee Geung-young as Gi San, Yoo-jin's half-brother who hides a secret from his past.[6]
In the table above, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
This series aired on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC and EBS).
^손병호, '나인룸' 출연 확정..이기심의 아이콘 도전. Naver (in Korean). Star News. August 30, 2018. Archived from the original on September 5, 2018. Retrieved September 5, 2018.
^"민성욱, tvN '나인룸' 교도소 의무 과장役 출연". Naver (in Korean). Ilgan Sports. August 24, 2018. Archived from the original on September 5, 2018. Retrieved September 5, 2018.
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