Korean dramas are gaining popularity due to their content. If you’re not watching Kdramas, you’re missing out on something great. Kdramas are the best way to escape from the real world and have fun.
Kdramas come in a variety of genres. Not only rom-com but there are a lot of dramas that are thrillers, comedy, mystery, horror, and more. You can find your favorite story in Korean dramas.
Best Investigation Kdramas
Besides romance, the best category among dramas is thriller and mystery. Thriller Kdramas have a unique storyline, excellent cinematography, suspense-building background music, and plot twists.

The thriller genre is also categorized into different types such as time travel, revenge, investigation, and other sci-fi plots. Investigative Korean dramas are perfect to binge-watch that include solving crimes.
If you’re looking for some of the best investigation dramas to watch on weekends, here is the list. These dramas include solving murder cases, serial killer, law, action, fighting, suspense, and a lot more.
1. Through The Darkness
Hangul: 악의 마음을 읽는 자들
Year: 2022
The drama will tell the story of South Korea’s first criminal profiler and how hard it was for him to look inside the minds of serial killers when the word “profiling” did not exist. It is based on a book that came out in 2018 with the same name.

2. Law School
Hangul: 로스쿨
Year: 2021
Set in Hankuk University Law School, the drama tells the story of students and professors in the law school who come across an unusual case. A professor is arrested as a suspect & his students work together to reveal the truth.

3. Tell Me What You Saw
Hangul: 본대로 말하라
Year: 2020
Hyun Jae used to be one of the best at profiling criminals. After the death of his fiancee, he disappears. Soo Young works as a police officer out in the country. She will work with Hyun Jae as a newbie detective. They work together to solve crimes.

4. Signal
Hangul: 시그널
Year: 2016
Park Hae Yeong watches a girl being taken away 15 years ago. Hae Yeong is now a police cop and a criminal profiler. One day, he finds a walkie-talkie that links him with Detective Lee Jae Han from the past. Together, they solve a string of killings.

5. Tunnel
Hangul: 터널
Year: 2017
Park Kwang Ho is a detective in 1986. During his investigation, he walks through a tunnel that works as a time portal and takes him to Seoul in the present day. He meets Kim Sun Jae, a new partner and tries to find the serial killer to return to the past.

6. Bad Guys
Hangul: 나쁜 녀석들
Year: 2014
The Police Chief asks Detective Goo Tak to put together a team of criminals in order to stop violent crimes. He gathers his team, which includes the gangster Park Woong Cheol, the contract killer Jung Tae Soo, and the youngest serial killer, Lee Jung Moon.

7. One Ordinary Day
Hangul: 어느 날
Year: 2021
The drama looks at the criminal justice system through the eyes of a college student who is suddenly the main suspect in a woman’s murder case and a lawyer who just barely passed the bar test and is trying to help him.

8. Awaken
Hangul: 낮과 밤
Year: 2020
Jung Woo, the leader of a special task force, ends up investigating a series of murders. Together with his team, they uncover clues that these crimes are somehow related to a tragic event that happened 28 years ago.

9. Voice
Hangul: 보이스
Year: 2017
After his wife dies, Detective Moo Jin Hyuk works with professional voice profiler Kwon Joo, whose father also died, to solve a different crime while looking for the serial killer who killed their family members.

10. Crime Puzzle
Hangul: 크라임 퍼즐
Year: 2021
A criminal psychologist goes to jail for murder, and a criminal profiler who lost her father in the murder talks to him. These two used to be in a relationship, but now they have to face the shocking truth about a series of murders.

11. Stranger
Hangul: 비밀의 숲
Year: 2017
Hwang Shi Mok, a prosecutor finds him in a murder case. He meets Police Lieutenant Yeo Jin at a murder crime scene. They work together to wipe out corruption at the prosecutor’s office and solve a serial murder case.

12. Beyond Evil
Hangul: 괴물
Year: 2021
The story of Lee Dong Shik and Han Joo Won, two brave police officers who break the law to catch a serial killer. As they try to figure out who did it, they start to doubt the innocence of everyone involved, including themselves.

13. Life On Mars
Hangul: 라이프 온 마스
Year: 2018
One day, Tae Joo has an accident while he is looking into a case. When he wakes up, he is in the winter of 1988. He is now a detective who works at a small city’s police station. He tries to solve the case so that he can get back to the present.

Main Cast (Characters):
- Jung Kyung Ho as Han Tae Joo
- Park Sung Woong as Kang Dong Cheol
- Go Ah Sung as Yoon Na Yeong
- Oh Dae Hwan as Lee Yong Gi
No. Of Episodes: 16 (65 min. each)
Streaming Options (region-specific):

14. Partners For Justice
Hangul: 검법남녀
Year: 2018
Baek Beom is an excellent forensic doctor working for 10 years, but does not open his mind to other people. Eun Sol is a rookie prosecutor with a bright personality and comes from a wealthy family. They both try to catch a serial killer.

15. Insider
Hangul: 인사이더
Year: 2022
Kim Yo Han works as a court apprentice and is always a few steps ahead. He does an undercover investigation and gets involved in a case he didn’t expect. This makes him a prisoner, and he has to struggle to get back to his normal life.

16. Behind Your Touch
Hangul: 힙하게
Year: 2023
The drama is about people who live in a rural farm village. It tells the story of Ye Bun, a veterinarian who exhibits psychometric powers, and Jang Kyul, a passionate detective. They both become involved in solving minor crimes.

Wrapping Up
So, these were some of the top investigation Kdramas that are recommended to watch. If you’re bored of the same romance kind of dramas, watch these dramas for a change.
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