room no. 9 is a South Korea drama released in 2018 rated 7.8/10 with 16 episodes. This mystery series has been watched by 6,172 viewers.
Key Details
| Country |  South Korea |
| Genre | MysteryDramaFantasy |
| Year | 2018 |
| Episodes | 16 |
| Duration | 01:05:00 |
| Rating | 7.8/10 |
| Director | Ji Young Soo |
| Main Cast | Kim Hee Sun, Kim Hae Sook, Kim Young Kwang |
| Type | Drama |
| Content Rating | 15+ – Teens 15 or older |
Plot & Analysis
Story Overview
Eulji Hae Yi is a ruthless lawyer who wins all of her cases. She goes to meet with Jang Hwa Sa, a death-row convict who is the infamous killer behind a poison murder case. Inside Room No. 9 of the high-security women’s prison, the souls of Hae Yi and Hwa Sa change bodies. Doctor Gi Yoo Jin, Hae Yi’s boyfriend, somehow hold the key to the two women's fate. (Source: Viki)
Critical Reception
room no. 9 has received very positive reviews with a rating of 7.8/10 based on 1,345 ratings. It is ranked #3,303 in popularity.
Frequently Asked Questions
What is the rating of room no. 9?
room no. 9 has a rating of 7.8/10 based on 1,345 ratings.
How many episodes does room no. 9 have?
room no. 9 has 16 episodes, each approximately 01:05:00 long.
What genre is room no. 9?
room no. 9 is a Mystery, Drama, Fantasy drama from South Korea.
Who are the main actors in room no. 9?
The main cast of room no. 9 includes Kim Hee Sun, Kim Hae Sook, Kim Young Kwang.
When was room no. 9 released?
room no. 9 was released in 2018 in South Korea.
Data sourced from publicly available entertainment databases. Last updated: April 13, 2026.