Fetching data…
What should I watch tonight?
Pick a mood and get three: the masterpiece, what's trending and a recent hit.

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.
Free, legal streaming. These services show ads.
Availability by JustWatch · All options on TMDB












| Platform | Score | Points |
|---|---|---|
| IMDb1,194 votes | 7.6 | 7 pts |
| Rotten Tomatoes | not available | skipped |
Scores from IMDb. Updated weekly.
1,194 votes across 1 platformPsychopath Diary (2019) has a Lantern Score of 7.6, from IMDb 7.6. Watch it free with ads in the US on The Roku Channel, Rakuten Viki.