The story of a man named Yook Dong-sik who coincidentally witnesses a murder and picks up the killer's diary. While fleeing the scene, he gets into a car accident causes him to lose his memory. Due to the diary in his possession, he mistakenly believes that he is a psychopathic serial killer.
| Title | Psychopath Diary |
|---|---|
| Subtitle Available |
 ETC.
|
| Alternative Titles | Дневникът на един психопат, 精神变态日记, 夺命日记, サイコパスダイアリー, Ssaikopaeseu Daieoli, 精神病患者日记 |
| First Air Date | 2019-11-20 |
| Last Air Date | 2020-01-09 |
| Number of Episodes | 16 |
| Number of Seasons | 1 |
| Genres | Action & Adventure, Comedy, Crime, Mystery, |
| Networks | tvN, |
| Casts | Yoon Shi-yoon, Jung In-sun, Park Sung-hoon, Lee Han-wi, Hwang Hyo-eun, Lee Min-ji, Choi Tae-hwan, Han Soo-hyun, Oh Chae-eun |
| Plot Keywords | , |
Yook Dong Shik
Yoon Shi-yoon
Shim Bo Kyung
Jung In-sun
Seo In Woo
Park Sung-hoon
Yook Jong Chul
Lee Han-wi
Yook Ji Yeon
Hwang Hyo-eun
Oh Mi-Joo
Lee Min-ji
Shin Seok-hyeon
Choi Tae-hwan
Kim Mu Seok
Han Soo-hyun
![[Seo Ji-hoon's secretary]](https://image.tmdb.org/t/p/w45/qYG79lb3gjhTNzNEnUq7uqvhSrP.jpg){kind=small}
[Seo Ji-hoon's secretary]
Oh Chae-eun
