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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.

  1. Ryoo Yong-Jae


  2. Kim Hwan-Chae


  3. Kim Hwan-Chae


Series Cast

  1. Yun Si-yun as Yook Dong Shik

    Yun Si-yun

    Yook Dong Shik

    16 Episodes

  2. Jung In-sun as Shim Bo Kyung

    Jung In-sun

    Shim Bo Kyung

    16 Episodes

  3. Park Sung-hoon as Seo In Woo

    Park Sung-hoon

    Seo In Woo

    16 Episodes

  4. Lee Han-wi as Yook Jong Chul

    Lee Han-wi

    Yook Jong Chul

    16 Episodes

  5. Hwang Hyo-eun as Yook Ji Yeon

    Hwang Hyo-eun

    Yook Ji Yeon

    16 Episodes

  6. Lee Min-ji as Oh Mi-Joo

    Lee Min-ji

    Oh Mi-Joo

    16 Episodes

  7. Choi Tae-hwan as Shin Seok-hyeon

    Choi Tae-hwan

    Shin Seok-hyeon

    16 Episodes

  8. Han Soo-hyun as Kim Mu Seok

    Han Soo-hyun

    Kim Mu Seok

    16 Episodes

Full Cast & Crew

Last Season

Season 1 - Psychopath Diary

Season 1

2019 | 16 Episodes

Yook Dong Sik works at a brokerage company. He is a pushover and a fool too naïve and kind-hearted for his own good. Dong Sik is at a point in his life where enough is enough and goes to end his life. However, the place he chose to end it all was a place where a murder was about to happen. As he flees in fear, he gets into an accident, and the following day, doesn’t remember a thing in his past. The only clue he has about himself is a red diary he unknowingly took. The journal contains details of all heinous killings of a psychopathic serial killer. Being an innate fool, he mistakenly begins to believe that he is a psychopathic serial killer, and the world he once knew changes drastically.

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Psychopath Diary
Psychopath Diary


Original Name 싸이코패스 다이어리

Status Ended


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Type Scripted

Original Language Korean


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