Psychopath Diary
싸이코패스 다이어리
We checked 8 streaming services in India on 04 Jun 2026 at 16:08 IST
About
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.
Cast
Episodes
Season 1
Memory Loss
Dong Sik, a stock analyst at Daehan Securities, takes the blame for a report he didn’t write that caused a leading pharmaceutical company’s stock price to fall. He decides to end his life and attempts to jump. However, a murder about to happen catches his eye.
I Am a Predator
After the restroom incident with Mr. Gong, Dong Sik becomes jubilant. His world of being a pushover ends, and he begins to believe that he is indeed a predator. Meanwhile, Seo In Woo, the serial killer, starts to look for his missing diary, and Shim Bo Kyung, a patrol officer, discovers something strange in the violent crimes and attempts to find the homeless man who vanished.
I’m Coming for You
Dong Sik determines to kill Seo Ji Hoon and secretly plans how he's going to do it. In Woo tells Dong Sik about a company going public and urges him to buy as many shares as he can. Meanwhile, Ji Hoon and Chan Suk resort to the old-fashioned way to get rid of Dong Sik, and Bo Kyung goes on a suspicious call.
You and I Are the Same
In Woo tries to get close with Dong Sik after secretly following him and seeing him kidnap Ji Hoon. In Woo becomes the director of the Asset Management Team and promotes Dong Sik to assistant manager. Dong Sik later finds out that he had written a suicide note on the day of killing the homeless man and is thrown into confusion. Meanwhile, Bo Kyung, who is after the serial killer, starts to find Dong Sik's behavior strangely suspicious.
He’s Not Who He Seems
Bo Kyung and In Woo both chase after Dong Sik for different reasons. And soon, both get closer to what they are after. Bo Kyung gets an unexpected hint from Dong Sik about the serial murders and starts to investigate a missing person case. Meanwhile, In Woo starts to become more active.
Who is the Real Killer
Dong Sik wants to stop Bo Kyung from looking into the murder case happened at Goseong Chemical, so he follows her and offers help. Dong Sik gets to know Nergui by chance when he sneaks into Goseong Chemical. Nergui asks for Dong Sik’s help and tells him that Jin Goo doesn’t kill himself. Meanwhile, an open investigation begins after a dead body is found in Goseong Chemical, and In Woo finds out that Dong Sik and Bo Kyung actually know each other.
A Copy Cat Killer
Another death made to look like a suicide arises and puts Dong Sik and In Woo on edge. According to the victim's husband's statement and with a composite sketch of the killer, Bo Kyung and the Predator Killings Task Force head out in search of the suspect. Later, someone claiming to be the serial killer calls a broadcasting network.
Closed Case
Being the last person talking to Sung Chul, Dong Sik tells the police that Sung Chul is the predatory killer they are after. The team decided to close the case although Bo Kyung believes that he could be just a copycat killer, and the real predator still hasn’t been caught. Meanwhile, In Woo learns the truth that Dong Sik is suffered from amnesia due to the accident.
Where does Psychopath Diary rank today?
Psychopath Diary is #2718 on the Bowood.TV Daily Streaming Charts today.
- Highest: #2718
- Top 10: 0 days
- Top 100: 0 days
Watch Psychopath Diary Online Free — All Episodes in HD
Looking for a place to watch Psychopath Diary online for free? You've landed on the right page. Psychopath Diary is a well-rated Korean action & adventure, comedy, crime, and mystery series from 2019 that you can stream right now on Bowood.TV in high quality, no signup required.
About Psychopath Diary
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. Across 1 season and 16 episodes, originally airing on tvN.
Psychopath Diary Cast and Characters
The cast features Yoon Shi-yoon (as Yook Dong Shik), Jung In-sun (as Shim Bo Kyung), Park Sung-hoon (as Seo In Woo), Lee Han-wi (as Yook Jong Chul), and Hwang Hyo-eun (as Yook Ji Yeon). Their performances are a major reason Psychopath Diary has built such a passionate audience.
Where to Watch Psychopath Diary Online
Bowood.TV lets you stream Psychopath Diary online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.
▶ Watch Psychopath Diary NowWhy People Are Watching Psychopath Diary
Psychopath Diary flies under the radar but it deserves your attention. What makes it work is sharp comedic timing that lands consistently, action sequences that don't feel cheap, and tight pacing that earns its twists. If you enjoy Korean storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Psychopath Diary
Where can I watch Psychopath Diary online for free?
You can watch Psychopath Diary online free on Bowood.TV. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Psychopath Diary have?
Psychopath Diary has 16 episodes across 1 season. All episodes are available to stream right here on Bowood.TV.
Is Psychopath Diary good? What's the rating?
Psychopath Diary holds a 7.2/10 rating based on 26 reviews — well above average.
Who is in the cast of Psychopath Diary?
The main cast includes Yoon Shi-yoon, Jung In-sun, Park Sung-hoon, and Lee Han-wi, plus a strong supporting ensemble.
Is Psychopath Diary available in Korean?
Yes — Psychopath Diary was originally produced in Korean and that's the version you'll stream here on Bowood.TV. English subtitles are provided when available.
When was Psychopath Diary released?
Psychopath Diary first aired in 2019.
Do I need an account to watch Psychopath Diary on Bowood.TV?
No. Bowood.TV is free and you can watch Psychopath Diary without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Series You Might Like
If you enjoyed Psychopath Diary, check out Taxi Driver, The Devil Judge, Bad Roommate, Love, Lies and Murder, and Alive.
Frequently Asked Questions
Where can I watch Psychopath Diary for free?
You can watch Psychopath Diary online for free on Bowood.TV. All 16 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Psychopath Diary have?
Psychopath Diary currently has 1 season and a total of 16 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on Bowood.TV and continue watching from where you left off.
What is Psychopath Diary about?
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. It belongs to the Action & Adventure, Comedy, Crime, Mystery genres.
In which language is Psychopath Diary originally available?
Psychopath Diary was originally produced in KO. On Bowood.TV the show is available in its original KO audio. Check the player options on the watch page for available subtitle tracks.
When was Psychopath Diary first released?
Psychopath Diary first premiered on November 20, 2019 (2019). The series has since concluded its run.
People Also Search For
💬 Comments
Join the conversation
Share your thoughts, rate episodes, and connect with other fans
Hey everyone! 👋 Welcome to the discussion.
Feel free to share your thoughts about this series — what did you love, what surprised you, which episodes are your favorites? 🎬
Got ideas for what we should add to Bowood.TV? Want to suggest a series? Drop it here! We read every comment ✨
Similar Shows
Shows like this one
Recommended for You
Based on this series
