Top 17 Nail-Biting Suspense Korean Dramas Of All Time

In the mood to watch some thrillers filled with tensed environment? Here are the best suspense dramas to watch.

The number of people watching Korean dramas is increasing day by day. But why? Because Kdramas are addicting and once you start watching them, you become attached to them.

Kdramas help to escape your daily life for a while and immerse yourself in a happy world. They are realistic and connect with the viewers easily. That’s why people watch more dramas.

Korean dramas have different genres. There’s something for every kind of watcher. Whether it be romance, comedy, light drama, or thriller, mystery, and suspense, Kdramas got you covered.

Suspense Kdramas

Even though romance and comedy are the most common types of Kdramas, there is also the suspense genre. They are the best because they have complex plots, intense performances, and surprising turns.

suspense korean dramas

These dramas are filled with suspense and mystery. You never know what’s coming ahead in the next episodes. Most of the episodes have a cliffhanger ending that will make you binge-watch all episodes.

If you’re a fan of thriller and suspense dramas that will make you think more, here is the handpicked list of recommended suspense dramas you should watch right now.

1. Flower Of Evil

Baek Hee Sung is a craftsman living with his wife, Cha Ji Won & daughter. But he hides some dark secrets that even his wife is unaware of. His wife is a homicide detective who investigates a case of a psychopath who is quite close to her.

Read Flower Of Evil Review

flower of evil kdrama 11

Cast –

  • Lee Joon Gi as Baek Hee Sung
  • Moon Chae Won as Cha Ji Won
  • Jang Hee Jin as Do Hae Soo
  • Seo Hyun Woo as Kim Moo Jin

No. Of Episodes – 16

Watch On – Netflix, Viki, MX Player

2. Signal

Park Hae Young witnesses the kidnapping of a girl 15 years ago. Currently, Hae Yeong is now a police officer and criminal profiler. One day, he finds a walkie-talkie that connects him with Detective Lee Jae Han who is in the past. Together, they solve a series of murders.

Read Signal Review

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Cast –

  • Lee Je Hoon as Park Hae Yeong
  • Kim Hye Soo as Cha Soo Hyun
  • Jo Jin Woong as Lee Jae Han
  • Kim Won Hae as Kim Gye Cheol

No. Of Episodes – 16

Watch On – Netflix, Viki

3. Mouse

Ba Reum is a police officer whose life changes when he encounters a psychopathic killer. This drives him and his partner to unveil the truth behind psychopathic behaviours. A drama that asks the question, “What if we could identify psychopaths in advance?”

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Cast –

  • Lee Seung Gi as Jung Ba Reum
  • Lee Hee Joon as Ko Moo Chi
  • Park Joo Hyun as Oh Bong Yi
  • Kyung Soo Jin as Choi Hong Joo

No. Of Episodes – 20

Watch On – Viki

4. 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.

life on mars kdrama 11

Rating:

4 star rating

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):

Free streaming sites button

5. Through The Darkness

The drama will tell the story of South Korea’s first criminal profiler as he struggles to look inside and read the hearts of serial killers during a time when the word “profiling” did not exist. It is based on the 2018 book of the same title.

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Cast –

  • Kim Nam Gil as Song Ha Young
  • Kim So Jin as Yoon Tae Goo
  • Jin Seon Kyu as Kook Young Soo
  • Ryeoun as Jung Woo Joo

No. Of Episodes – 16

Watch On – Viki, MX Player

6. Kingdom

Hangul: 킹덤

Year: 2019

During the Joseon period, the spirit of a recently dead king comes back, and a mysterious illness starts to spread across the country. To find out what is going on and save his people, the crown prince must deal with a new kind of enemy.

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Rating:

4 5 star rating

Main Cast (Characters):

  • Joo Ji Hoon as Lee Chang
  • Ryu Seung Ryong as Jo Hak Joo
  • Bae Doo Na as Seo Bi
  • Kim Sung Gyu as Young Shin

No. Of Episodes: 6+6 (50 min. each)

Streaming Options (region-specific):

Netflix button
Free streaming sites button

7. Beyond Evil

The story of two fearless lawmen, Lee Dong Shik and Han Joo Won, who break the law to catch a serial killer. In the course of uncovering the culprit’s identity, they question the innocence of everyone involved in the case including themselves.

beyond evil kdrama 11

Cast –

  • Shin Ha Kyun as Lee Dong Shik
  • Yeo Jin Goo as Han Joo Won
  • Choi Dae Hoon as Park Jung Je
  • Choi Sung Eun as Yoo Jae Yi

No. Of Episodes – 16

Watch On – Netflix, Viki, Prime Video

8. The Penthouse: War in Life

The story of wealthy families living in Hera Palace and their children at Cheong-ah Arts School. Su Ryeon was born into wealth. She is now an elegant woman of the upper class. Seo Jin was born into a wealthy family. Yoon Hee comes from poor family background.

the penthouse war in life kdrama 11

Cast –

  • Lee Ji Ah as Shim Soo Ryun
  • Kim So Yeon as Cheon Seo Jin
  • Eugene as Oh Yon Hee
  • Uhm Ki Joon as Joo Dan Tae

No. Of Episodes – 21

Watch On – Viki, MX Player, Kocowa

9. Defendant

Hangul: 피고인

Year: 2017

Park Jung Woo is a lawyer who has lost his memory and finds out that he is already on death row. He has no choice but to race against time to find out what caused his situation and prove that he is not guilty.

defendant kdrama 11

Rating:

4 5 star rating

Main Cast (Characters):

  • Ji Sung as Park Jung Woo
  • Uhm Ki Joon as Cha Sun Ho
  • Kwon Yu Ri as Seo Eun Hye
  • Oh Chang Seok as Kang Joon Hyuk

No. Of Episodes: 18 (70 min. each)

Streaming Options (region-specific):

Netflix button
Viki button
Kocowa button
Mx player button
Free streaming sites button

10. Strangers From Hell

Hangul: 타인은 지옥이다

Year: 2019

Jong Woo goes to Seoul from the country when his friend Jae Ho gives him a job offer. He finds a cheap hotel while looking for a place to live. He makes the decision to stay there for six months. But strange things start to happen with him.

strangers from hell kdrama 11

Rating:

4 5 star rating

Main Cast (Characters):

  • Im Shi Wan as Yoon Jong Woo
  • Lee Dong Wook as Seo Moon Jo
  • Lee Jung Eun as Eom Bok Soon
  • Ahn Eun Jin as Seo Jung Hwa

No. Of Episodes :10 (60 min. each)

Streaming Options (region-specific):

Netflix button
Prime video button
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11. Tunnel

In 1986, Park Kwang Ho works as a detective. While working he passes through a tunnel that acts as a time portal, which transports him to present-day Seoul. He meets a new partner Kim Sun Jae. They try to find out the serial killer to return.

Read Tunnel Review

tunnel kdrama 11

Cast –

  • Choi Jin Hyuk as Park Kwang Ho
  • Yoon Hyun Min as Kim Seon Jae
  • Lee Yoo Young as Shin Jae Yi
  • Jo Hee Bong as Jeon Seong Shik

No. Of Episodes – 16

Watch On – Netflix

12. 365: Repeat The Year

Hangul: 365: 운명을 거스르는 1년

Year: 2020

The story of a group of people who are given the opportunity to relive a year of their lives in order to prevent a tragic accident from happening. Along the way, they uncover hidden truths about themselves and those around them, and must confront their past mistakes.

365 repeat the year kdrama 11

Rating:

4 star rating

Main Cast (Characters):

  • Lee Joon Hyuk as Ji Hyung Joo
  • Nam Ji Hyun as Shin Ga Hyun
  • Kim Jee Soo as Lee Shin
  • Lee Sung Wook as Park Sun Ho

No. Of Episodes: 24 (35 min. each)

Streaming Options (region-specific):

Viki button
Viu button
Prime video button
Kocowa button
Free streaming sites button

Short Review: The drama explores themes of destiny, atonement, and the value of second chances. The acting is excellent, and the story is well-written. The drama also got praise for its original premise and for how it keeps the audience guessing right up to the very end.

13. Save Me

Sang Mi’s family move to Mujigun. There she meets four young men. Later, she and her family are approached by the Spiritual Father of Goosunwon who offers to help them. However, they get caught into the pseudo-religious cult and the four young men try to save her.

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Cast –

  • Seo Yea Ji as Im Sang Mi
  • Ok Taec Yeon as Han Sang Hwan
  • Woo Do Hwan as Seok Dong Chul
  • Jo Sung Ha as Baek Jung Ki

No. Of Episodes – 16

Watch On – Netflix

14. Squid Game

Hangul: 오징어 게임

Year: 2021

The story of people, who are failures in their life plays a survival game named ‘Squid Game’. The risk is high, and so is the bet, which is $45.6 billion. The men in pink overalls and masks are watching every move. There will only be one winner.

squid game kdrama 11

Rating:

4 star rating

Main Cast (Characters):

  • Lee Jung Jae as Seong Gi Hun
  • Park Hae Soo as Sang Woo
  • Heo Sung Tae as Duk Su
  • Wi Ha Joon as Joon Ho

No. Of Episodes: 9 (60 min. each)

Streaming Options (region-specific):

Netflix button
Free streaming sites button

15. Train

Seo Do Won is a detective who tries to save Seo Kyung. There are two different worlds in this drama. Do Won travels to the other world through a mysterious train that shows up in the abandoned station to track the serial killer with the help of the other Seo Kyung.

train kdrama 11

Cast –

  • Yoon Shi Yoon as Seo Do Won
  • Kyung Soo Jin as Han Seo Kyung
  • Shin So Yool as Lee Jung Min
  • Lee Hang Na as Oh Mi Sook

No. Of Episodes – 12

Watch On – Viki

16. Class Of Lies

Hangul: 미스터 기간제

Year: 2019

A murder case brings down a lawyer who usually wins a lot of cases. To get his honour back, he gets a temporary job as a teacher at the high school connected to the case. He begins to witness the crimes that take place & tries to protect victims from their peers.

class of lies kdrama 11

Rating:

3 5 star rating

Main Cast (Characters):

  • Yoon Kyun Sang as Gi Moo Hyuk
  • Geum Sae Rok as Ha So Hyun
  • Lee Jun Young as Yoo Beom Jin
  • Choi Yoo Hwa as Cha Hyun Jung

No. Of Episodes: 16 (70 min. each)

Streaming Options (region-specific):

Viki button
Viu button
Free streaming sites button

17. Voice

Detective Moo Jin Hyuk after his wife’s death, works with professional voice profiler Kwon Joo, whose father is killed, to solve a different crime, chasing for the serial killer who is responsible for the deaths of their family members.

voice kdrama 11

Cast –

  • Jang Hyuk as Moo Jin Hyeok
  • Lee Ha Na as Kang Kwon Joo
  • Baek Sung Hyun as Shim Dae Shik
  • Son Eun Seo as Park Eun Soo

No. Of Episodes – 16

Watch On – Netflix, Viki, Prime Video

Wrapping Up

So, these were the best suspense Korean dramas that will definitely keep you hooked from the very first episode until the climactic finale. Gear up your brain, grab your popcorn, and start watching.

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FAQs

1. What are the best suspense Kdramas?

Some of the best dramas with suspense are Mouse, Beyond Evil, Through The Darkness, Defendant, etc.

2. Do suspense dramas have a satisfying ending?

Just like in any other genre, the ends can be different. Some dramas have endings that are clear and satisfying, while others may leave room for interpretation or open-ended.

3. Where can I watch suspense dramas?

You can watch most of the suspense Korean dramas on streaming platforms like Netflix, Viki, Viu, Prime Video, etc.

Hi! I'm Lily Park from USA. I started watching dramas as a hobby & now I'm addicted to them. Just can't stop watching them. My favorite drama is Business Proposal.

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