Top 10 Best Chiller-Thriller and Crime Korean Dramas

Many people in general think K-dramas are all about romance and nothing more. We all know how potential Korean romance is, and getting dizzy over feels is a common criteria for all K-drama lovers. However, there are these dramas that scoop out your soul while you're watching them, and let me remind you that these chills don't always revolve around only romance.
The Top Ten
1 Gap-Dong

Even though it's a common police-procedural drama that messes with your psychology, it is so much more than that once you advance through the episodes. There were moments when I literally shook. There were also moments I shut down my computer and couldn't watch an episode till I had recovered. Lee Joon, being an idol actor, took absolute control and amazed a lot of drama fans, moreover, shocked them. An absolutely amazing drama. And let's not talk about the killer OST that just triggers your feels.

I'm watching it now and it keeps me questioning who is Gap Dong? I've been directed into this site because I'm looking for answers but I don't wanna spoil myself. I have to refrain from looking for answers and watch it myself till the end. I bet this is really the best crime thriller drama. I'll get back on you when I already finished watching it and have all the answers. Every episode will keep you alive.

2 City Hunter

Okay, first of all I'll be honest--getting a grip of this from the first episode was hard for me. It involves marines, political conspiracy and lots of grudges. A surviving soldier and a stolen child that he raised as a weapon of revenge combined is not your average mac and cheese. This series drained me when I watched it, made me lose my breath a couple of times, was fun, was fresh, and was oh-so-thrilling at times. And as an addition, it's not everyday you see Lee Min Ho being your under-cover vigilante slash revenge-seeker on screen. A beautiful watch.

This amazing drama is more than just vengeance. One of the few dramas that are worth-rewatching!

Just simply amazing!

3 Signal

Yeah I agree Signal is really good. When I was completely new to Korean drama, I decided to search up on Google "top ten Korean dramas" it's was around fourth or fifth some lists but the reviews were nothing but praise. The main concept is that two detectives one from the past and one from the present both work together in order to solve cases which may relate to themselves or their peers. Then I watched it...the reviews were spot on. If you've watched episode 1 then it's extremely hard to say you didn't enjoy it. The acting one of the best I've seen not in just Korean drama but in T.V. itself. When I watched Signal, it definitely piqued my interest into Korean drama and movies.

This drama is hands down the most amazing one I swear. I just hoped they would remake this into a movie but anyhow its gorgeous and very well arranged leaving me speechless all the time. If you love romance drama then this isn't the one I tell you. This drama is damn lacking in romance but I seriously don't mind because the thrilling genre itself makes you forget about kissing scene for a while. I did get very attached to this drama and almost cried when it was about to end. But honestly can't get over it and totally impatient for season 2 in 2018

4 Nine: Nine Times Travel

Another TvN drama that I couldn't resist putting up. It might not be under the thriller genre, but it will thrill you, no doubt. When you add a famous news reporter who's dying and a few incense sticks that help him travel back in time, there will be drama. A man sets out to make amends to his life through this unnatural time travel method.However, the changes are devastating, and once you proceed through the episodes, you realize there's a lot of crime involved. I wouldn't really call it an exact crime drama, but it gave me chills, and probably is one of the bests out there, in fact.

This was a fantastic time travel drama done right. I had nothing else to watch and decided to just go for it and I was so glad I did. I didn't sleep for day marathoning this. a must watch!

I love this drama to bits!

5 I Hear Your Voice

I could easily put most of Lee Jong-Suk's dramas in my list because I am so biased by him. But this drama stood out to me. A combination of a dreadful incidence, promises, crime and fright all gathered into a courtroom drama is what I needed in my life. Did I mention the ability to read minds? He hears everyone's voice, from the depth of their souls. He even hears the minds of his most hated and most loved people. I love this drama so much, I don't even know where to put it in my list, so I'm just leaving it here.

It's one of the best dramas I've ever watched.. There's enough romance, thriller etc all at the same time. Lee Jong Suk as usual is perfect. He was excellent.

This is my favorite Kdrama! I Hear Your Voice is such a solid drama. The leads have great chemistry.

6 The Devil

This is a classic.Not really. A 2007 drama revolving a tarot-card reader who also has some specific psychic abilities, a mysterious lawyer and a detective with regrets of his own. As usual, all these fine people are interconnected through a past occurrence. I loved this drama, and I loved watching it, I loved the chills it gave me and I loved the tears I shed for it. My love for this plot and drama would probably explain why it still exists in my list after eight years.

I had very few expectations when I started this. But the drama really did surprise me. I don't think I have ever felt as much sympathy for the bad guy than in this. The drama questions the very nature of being bad. Who is the devil? Is the good guy really good? Is the bad guy really bad? These questions filled up my head as I watched this.

7 Two Weeks

Another amazing plot that I haven't seen fully. Shmuck, what am I doing with my life? But according to thrill lovers, this one is a must-watch with its plot revolving around a man who has been accused of murder and has to save his dying daughter before it's too late. I can only imagine the amount of times I'd have to shut my computer down for this.

Yeah.. what an amazing plot! I'm grateful to all of two weeks' team for giving me a chance to watch a drama that's amazing..

This is a must watch! I watched all episodes in one go from 10am till 3am non-stop.

8 I Miss You

Don't you just hate those dramas that drive you insane with feels and unbearable scenes from the very first episode? No,man, you gotta love em. You gotta, at least, love I Miss You. A tragedy of two children where the boy abandons the girls and leaves her for dead in the hands of kidnappers is no mild. You need a lot of strength to watch this drama, I know I did. Heart-wrenching crime at first, and soon it's packed with thrills when the boy becomes a dedicated detective for the sake of his past mistake and swears to find the friend he abandoned. When Yoon Seung-ho is antagonizing JYJ's Mickey as the lead, you need no other reason to watch this.

One of the most deep and thrilling kdramas I've ever watched. After watching this, other series seemed to lack depth. Definitely recommended!

Love this too

9 Golden Cross

I still haven't seen this and basically am referring to the thoughts and ratings of fans, trailers and the general plot. A prosecutor gets entangled in messy business with the most influential people in Korea. He has to go against this certain circle of people to clear off his father's name who has been accused for the murder of his sister. By the sounds of it, it's going to be extremely awesome, and I want to watch it asap, and maybe it will go way up my list after I do.

It is the best movie when it comes to crimes... I Love t... It needs concetration.. still looking for many moore

10 Voice

Loved this thriller from the very first episode, There was a lot of suspense and mystery and had me on the edge of my seat the whole way. Excellent acting all the way around. I didn't care for the last episode, I feel it was creepy and weird and didn't end the way I would have liked, but perhaps it was fitting for this drama. I could not stop watching, wanting to know what happened next, it just sucked me in! Great drama!

The character that pulled me in is the villain. His performance to show ecstasy and joy in his style of killing pulled me in. Not just that, when you think they have found the Killer, It wasn't who you expect it to be.

The final end credit just made me feel remorse when it is based on real cases. Overall, I was hooked on the very first episode and binge watched it till the last.

I never thought thriller K-drama would be so thrilling. It is full of mystery but in the other hand gives some clues that keep the viewer guessing who the murderer is, and how he gets away. Some stories about the main characters also lead you to analyse who is right and who is wrong. Totally interesting, yet scary, definitely must watch!

The Contenders
11 Healer

This is by far the best thriller drama I have ever seen which has the twist of plot woven so well and Ji Chang Wook in all his charms. The cast lived up to the expectations of a thriller drama lover. This definitely makes you fall in love with the actors, making you watch it again.

The Best Drama Ever (or Best Thrilling Drama ever), It's a mix of feelings with a great mystery and superb acting and many unexpected moments
Supporting actors has their focus in the drama and are important as the main actors to the story,
Action-Romance-Thriller in the best way possible.

The ending is such a surprise you wouldn't ever have expected.

Just watch it without doubting its greatness (It's a masterpiece in almost every way).
you have to bear with the first half of first episode as it's a little confusing at the very beginning of the show.

the OST is just fantastic, chilling and beautiful English vocals, you will be brought back to the drama even after years when listening to these amazing soundtracks.

there is not a dull moment in the series and you might want to marathon it in a few days, so free-up some time before deciding to watch it.

12 Tunnel

Seriously, such a plot they have there... I'm amazed by the actors, background ost, the twists, the trust, love, stories... They're all perfect together, I'm in love. Best korean drama I've ever witnessed, it taught me a lot and still teach me. thank you Tunnel family from the bottom of my heart.

After Signal and Voice, I continue with Tunnel and it turns out GREAT. PERFECT. If I could mention my top 5 crime-drama that would be : Tunnel, Signal, Voice, I Hear Your Voice, and War Of The Sun. All of them will never bore you.

I would highly recommend this drama to anyone who is interested in crime/mystery shows.. It's a must watch; the cases are so interesting :) Plus there were 2 instances where BTS Fire and Save Me were playing in the show which made me like the show even more since I'm an ARMY... 9/10 for this kdrama!

13 Defendant

This actually should be first! The whole plot is great! I needed paper to crumple throughout watching this cause you would greet your teeth by the tense that's happening. I love this!

Highly recommended.. Has to be the most loved drama 2017 ji sung proved to be still the number one actor in my lists. Great performance from all the other casts but the lead was electrifying

Wow it's so good, I am amazed. Such a great and unique storyline. It will keep you from taking deep breaths and will wrench your heart at the same time. Just great!

14 I Remember You

This drama is something I would recommend to people who are new to Korean dramas or existing fans. It is also family driven, focused on a father, and two brothers. The plot and performance was tip top. I did not expect much, however it blew my mind away with the twists and turns. The story runs smoothly and it was not confusing despite the amount of information needed to make sense of the story. Although romance was not a focal point, the tiny bit of it will make you fall in love with the love between the two leads. All in all, it is a drama to watch if you are a fan of police procedural genres, and a fan of crime dramas.

I admit that I am fairly new to kdramas but this one just really stood out. It's been days since I have finished watching the series and yet the story's constantly been in my mind until now. The plot is so good! It got me hooked on every episode. The actors were also amazing, everything was flawless! I didn't mind the lack of focus on the romantic relationship of the two leads at all. Kudos to the writer and the team behind this drama. Much information about psychology and police procedures was included but as one who is not familiar with any, has understood and even got interested to it. I'm having trouble searching for other kdramas now that would match up to this drama. I simply cannot move on from the impact this drama's caused me. A definite must watch!

15 Bad Guys

Criminals solving cases whilst learning along the way, what it truly means to be human and the difference between a man and beast.
But that isn't all because somehow, these criminals and the squad leader "Mad Dog" are linked, and it's only a matter of time before the truth is unraveled...
Though not before a series of misunderstandings occurs and chaos ensues.

Loved the drama. The more I watched, the more enthralled I became. You know the acting is good when you feel sympathy and hatred for characters of a fictional world.

To combat rising violent crimes, the Police Chief asks Detective Oh Goo-Tak (Kim Sang-Joong) to form a team consisting of criminals. Detective Oh Goo-Tak is currently suspended from the police force for using excessive force. Detective Oh Goo-Tak gathers team members: Park Woong-Cheol (Ma Dong-Seok) who is a gangster, Lee Jung-Moon (Park Hae-Jin) who is the youngest serial killer with extraordinary intelligence and Jung Tae-so (Jo Dong-Hyuk) who is a contract killer. Also, Police Inspector Yoo Mi-Young (Gang Ye-Won) joins the team.

16 Partners for Justice

All crimes, and there are many autopsy scenes. Through this drama, you will literally learn so many new things, and the different deaths in the drama are all different, so you definitely won't get bored. Let me just say, the second season is much more interesting, and there will also be this new character who is honestly very hot in the drama like, woah, and his voice is sooo nice. It's just that the guy's background story is also very interesting.

I won't spoil it, but this drama is definitely worth the watch because I honestly prefer romance over anything, but this caught my eye, and I wasn't bored throughout the entire drama. I managed to finish it in a few days even though there were 32 episodes in total for 2 seasons. I hope a season 3 will come out soon because I can't wait!

Just loved this drama. Mostly in other dramas and movies they don't follow the normal procedure of investigating a crime but in this they properly show the procedure not only that in most dramas they only show from the detective/prosecutor view but in this drama they show the scientific view of science. Also the cast, they're so good. Everything about this drama is just so proper and is done in a scientific way not like the fantasy kind of, it also has many humorous scenes to not make it boring. They ended the last episode on a cliff hanger and the 2nd season is going to come soon and I'm eagerly waiting for it. If you're fed up of the normal fantasy kind of dramas and want a reality based mystery action thriller then this is a must watch.

17 Stranger

Amazing drama. I didn't dislike a single thing, and that's a lot to say because I'm really picky. I even liked Stranger more than Signal. From the first to the last episode it never gets boring, everything develops at the perfect pace.

Great characters, plot and actors (literally not a single bad actor in this drama). It has a psychological aspect, wich I love and the two female leads are kickass, not the useless idiots of most k-dramas.

I believe Stranger should be on the top of this list.

One of the best suspense-crime korean dramas I ever watched. Everyone plays their role and characters very well, especially the lead actor, Cho Seung Woo, play role as Hwang Shi Mok, a high integrity prosecutor which can't feel any emotion. The plot and story line are great also. I really recommend this drama. ^^

Worth the watch. Hoping for season 2 though. I would say, the first few and the last few episodes are so good.

18 Doctor Stranger

It took an emotional toll and it's very heavy however the story is incredible and kept me interested until the ending credits.

Its quite a heavy drama but definitely a must watch.

19 Heartless City

Just one of the best dramas in the Crime Noir theme! It's really profound with great plot twist and wonderful actors! Puts you on the edge of your seat in every episodes!

Honestly one of the best drama's I've watched that had a very consistent plot and theme that lasted until the very end of the drama. definitely one of my top 5's.

Amazing drama. My favorite character in this was Jung Shi-Hyun.

20 Remember: War of the Sun

I recommended this k-drama are heavy scene that about law,don't expect love scene because this is reality what we have now in this society and the government, this is my favorite so far this k-drama that you will learn about the law and being fair to people accused and using people that involve money.

I love this drama so much! the story Itself is just amazing and with these great actors just perfect! I can just recommend it!

This k-drama definitely intense the scene, should watch this drama that about the law and victim

21 The K2

This show is an intensity pill and it's just so good that you can't stop watching. Highly recommend especially the action scenes mixed with the OST. Props to all the actors and actresses. They did an amazing job.

Loved it. Seen it thrice already! it's a good watch. good twists. Great acting by the lad actor. Amazing action. Even the bad guys look dapper!

22 White Christmas

I just finished watching this drama and I have no words to describe how brilliantly the storyline has been crafted. Every episode makes one more curious about what could happen next. It's very unpredictable and unique. All the actors did justice to their roles. A must watch for all thrill lovers.

Amazing! White Christmas was brilliantly written. It has a lot going. Dark mistery, thriller, rites of passage and much more. As it has plot twists and a good story, it also depicts the whole incident with a beautiful perspective of humanity. Cannot recommend enough!

Its one of those dramas which really gets your mind working. Mystery thriller drama with amazing actors, and plot twists. When you start watching, make sure to watch until the end.

23 God's Gift: 14 Days

One of my favorite drama.. The last episode really makes me speechless..
This drama is about a mom which lost her daughter and have a chance to travel back to 2 weeks before her daughter die. With a private detective which also travel back to time, she do everything she can to find out who will kidnap her daughter and why that happen..
After watch 2 episodes, I didn't put high expectation on this drama and almost decide to not watch the remaining episodes.. however, the suspense is started from 3rd episode and I could not stop to watch it after that haha..
Really love how the actor and actress play their character and role..

This drama is listed below so much that I would miss it totally. This should have been placed with two weeks where u get hooked with the drama till the end. So much of suspense, twists, emotions. Totally loved it and lead actor. This is the first time I am watching him and he did his role perfectly. wow such a pity he had done only few dramas. Would like to see more of his works. Awesome drama. Glad I watched it.

24 38 Revenue Collection Unit

When I decided to take a break from Korean typical drama (romance, chaebol, etc) and gave this drama a try, it didn't disappoint me at all but now I couldn't move on instead! This drama was so good and entertaining. Every actors gave the best of them and the plot was so much interesting. You guys should watch this!

One of the best dramas I've ever watched. The team chemistry is so good it's almost unreal. Really liked the story and the cast. Would absolutely recommend this to anyone who'd listen.

Really couldn't get into this was most disappointed. Gave up about episode 5 the main chief really annoyed me, he was slow over weight and dim witted. The young conman was cheesy and arrogant not to mention kept getting caught.

25 Vampire Prosecutor

It is the most awesome drama I have ever seen in my life... but the ending of the second season was completely not satisfying... It showed signs that there will be a season three but it was never released.. But overall, it is an awesome drama

Its an awesome drama. Loved it even more than the vampire detective. A third season is definitely required. Superb acting and plot.

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