Psychopath Diary

싸이코패스 다이어리 / Psychopath Diary
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Psychopath Diary tell the story of Yook Dong Shik (Yoon Shi Yoon) 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.

  • Drama: Psychopath Diary
  • Revised romanization: Ssaikopaeseu Daieori
  • Hangul: 싸이코패스 다이어리
  • Director: Lee Jong-Jae
  • Writer: Ryoo Yong-Jae, Kim Hwan-Chae, Choi Sung-Joon
  • Network: tvN
  • Episodes: 16
  • Release Date: November 20, 2019 – January 9, 2020
  • Runtime: Wed. & Thu. 21:30


Yook Dong-Sik (Yoon Si-Yoon) works at a brokerage company. He has a timid personality and he can’t even get angry at the people who look down upon him. One day, he witnesses a murder. He accidentally picks up a diary belonging to killer, who is a serial murderer. The diary has a log of his murders. Yook Dong-Sik flees with the diary, but he is accidentally hit by Police Officer Sim Bo-Kyung’s (Jung In-Sun) car. Yook Dong-Sik loses his memory because of the accident. Due to the diary in his possession, Yook Dong-Sik mistakenly believes he is a serial killer. Since that moment, he begins to change. Sim Bo-Kyung, who got involved with Yook Dong-Sik, decides to catch the serial killer.

Meanwhile, Seo In-Woo (Park Sung-Hoon) works as director at the brokerage company where Yook Dong-Sik works. He is heartless and a psychopath serial killer. He has lost the diary in which he detailed his crimes. He now feels insecure.


    1. “Psychopath Diary” takes over the tvN Wed. & Thu. 21:30 time slot previously occupied by “Miss Lee” and followed by “Money Game” January 15, 2020.

Psychopath Diary

  Psychopath (821.9 KiB, 56 hits)

Psychopath Diary

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