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.
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Last updated: June 9, 2026
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Quick answers about Psychopath Diary wallpapers, cast, and downloads.
Moviely has 3 free Psychopath Diary cinematic wallpapers available to browse, preview in Mac Mode, and download.
Yes. Every Psychopath Diary backdrop on Moviely is free to preview and download for personal desktop or mobile wallpaper use.
Psychopath Diary wallpapers are available in HD and original quality, with smart resolution suggestions based on your display.
Yes. Open any Psychopath Diary wallpaper in Mac Mode to preview it on a desktop or iPhone lock screen before downloading.
Open the Psychopath Diary page, pick a backdrop, choose your preferred resolution (HD, Full HD, or Original), and click Download.
Psychopath Diary first aired in 2019. Moviely hosts cinematic wallpapers captured from the TV series's official backdrop imagery.
Psychopath Diary is categorized as Action & Adventure, Comedy, Crime, Mystery.
Lee Jong-jae directed Psychopath Diary.
Psychopath Diary stars Yoon Shi-yoon, Jung In-sun, Park Sung-hoon, Lee Han-wi, Hwang Hyo-eun, and more.
Psychopath Diary has a runtime of 1h 20min.
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