2026
12 eps
tvN
Thriller Comedy Crime
A cash-strapped landlord buried in debt agrees to a 'fake kidnapping' scheme targeting a wealthy real-estate investor — not realizing the target plays a very different game. What b…
Like Psychopath Diary, it leans hard into dark comedy. The pacing is tense enough to make you watch through your fingers.
2025
12 eps
tvN
Crime Comedy Drama
After a legendary con artist is released from prison, he discovers his estranged daughter has built her own criminal enterprise — one that threatens to eclipse everything he ever p…
If you loved Psychopath Diary's relentless game of predator and prey where the tables keep turning, Knock Off delivers exactly that. The pacing is tense enough to make you watch through your fingers.
2021
12 eps
JTBC
Thriller Crime Comedy
A former detective who drinks and slacks off matches wits against a brilliant serial killer disguised as a college student.
Inspector Koo scratches the same itch as Psychopath Diary — different world, same emotional frequency.
2023
12 eps
ENA
Comedy Thriller Drama
A recently fired, deeply unlucky middle-aged man decides to kidnap the daughter of a wealthy family for ransom — and discovers, about fifteen minutes into the kidnapping, that the …
The Kidnapping Day scratches the same itch as Psychopath Diary — different world, same emotional frequency.
2023
10 eps
Disney+
Crime Thriller Mystery
A former genius detective, now a reclusive puzzle constructor, is pulled back into an active case when a series of murders with perfectly crafted puzzles left at each scene seems d…
If you loved Psychopath Diary's relentless game of predator and prey where the tables keep turning, Nine Puzzles delivers exactly that. At its core, it's about questions of who you really are under the person you've been told to be. The pacing is tense enough to make you watch through your fingers.
2022
8 eps
Kakao TV
Crime Thriller Drama
A veteran detective is framed for murder and must uncover the truth while working with a young detective who distrusts him.
The pacing is tense enough to make you watch through your fingers.
2023
16 eps
SBS
Action Thriller Crime
Do Ki and the Rainbow Taxi crew are back, taking on cases the law can't reach — vigilante justice delivered in style, with more elaborate schemes, darker targets, and a new threat …
The pacing is tense enough to make you watch through your fingers.
2021
20 eps
tvN
Crime Comedy Drama
A Korean-Italian mafia consigliere returns to Seoul to recover gold hidden beneath a building, teaming up with eccentric tenants.
Like Psychopath Diary, it leans hard into dark comedy. Same darkly comedic energy throughout.
2026
8 eps
Netflix
Crime Mystery Thriller
A Korean-American woman builds an elaborate false identity as a high-society luxury brand executive, targeting the ultra-wealthy elite of Seoul. When her fabricated persona — and t…
If you loved Psychopath Diary's relentless game of predator and prey where the tables keep turning, The Art of Sarah delivers exactly that. At its core, it's about questions of who you really are under the person you've been told to be.
2023
8 eps
Disney+
Thriller Action Crime
By day, Kim Ji-yong is a top police academy cadet. By night, he tracks down criminals who escaped justice through legal loopholes — and kills them. When a tenacious journalist begi…
If you loved Psychopath Diary's relentless game of predator and prey where the tables keep turning, Vigilante delivers exactly that. At its core, it's about questions of who you really are under the person you've been told to be.