The Best Thriller and Suspense K-Dramas of 2020
Metro’s favorites, from “Flower of Evil” to “The World of the Married”
2020 had us at the edge of our seats, literally, and with some fantastic thriller and suspense K-dramas, too! From action-packed limited series such as Kingdom 2 and Extracurricular to the nail-biting dramas like The World of the Married and Flower of Evil—this year’s crop of thriller and suspense dramas were on another level of wow, wouldn't you agree?

The Best Thriller and Suspense K-Dramas of 2020
The Best Thriller and Suspense K-Dramas of 2020
By Metro.StyleDecember 02 2023, 2:50 AM
Kingdom Season 2
In the early episodes, we see Prince Chang (Ju Ji Hoon) face a few unexpected setbacks and also, armed with a select few along with Lord Ahn, storm into Mungyeong Saejae—where a nightmare unfolds. Heart-pumping and gore abound, season 2 was definitely worth the watch and we already can't wait for its third season. Watch Kingdom S2 on Netflix.
Awaken
Do Jung-woo (Namkoong Min) is a special team leader of the National Police Agency who is capable of writing a legend. Gong Hye-won (Kim Seol-hyun) is an avid police officer who does not choose any means and methods, and is a special team inspector at the Seoul Metropolitan Police Agency. Watch this drama on Viu.
Train
A story of parallel universes, crime, and tracking down killers—Train has a lot going for it in terms of thrill. Starring Yoon Shi-yoon, Kyung Soo-jin and Shin So-yul, the 12-episode drama focuses its story on Seo Do-won (Yoon Shi-yoon), a hard-hitting detective who fearlessly dives into his work and gets the job done.
Train
He is relentless and good at his job... but when the woman he loves becomes the latest victim of a serial killer, his world completely changes. On a mission to figure out the truth behind her death in his world, he travels between the two worlds together with Han Seo-kyung (Kyung Soo-jin) who helps him find the killer in one world and protect his love in the other. Watch Train on Viu.
Flower of Evil
Somehow, her seemingly perfect husband is intertwined with these mysterious murders and she confronts the fact that he may be hiding something from her. Highly rated and one of Metro's sure-fire favorite dramas of 2020—tune in for a gripping mix of crime, romance, and mystery! Watch this must-see drama on Viu and iQIYI.
The Penthouse: War in Life
Directed by Joo Dong-min and written by Kim Soon-ok, this intense drama spins the story of real estate and education war, a desire to be number one. It depicts the solidarity and revenge of women who had no choice but to choose bad decisions and, in turn, become "evil" in order to protect the welfare of their children and that of their own.
Alice
Equal parts action and sci-fi, the drama tells the tale of magical time travel to a system called Alice. It follows Park Jin-Gyeom (Joo Won) who is a detective who born unable to have emotions. While attempting to solve a series of cases, he becomes the first person to find out about time travelers who came from the future through Alice.
Tale of the Nine Tailed
We love Lee Dong Wook and look forward to his projects so when Tale of the Nine Tailed came out, we were first to jump on its wagon! It follows the story of Lee Yeon, a male gumiho (a nine-tailed fox) and former guardian of Baekdudaegan forest, lover of Ah-eum and half-brother of Lee Rang, who had swore to eradicate supernatural beings that harm the mortal world in exchange for Ah-eum's reincarnation.
Tale of the Nine Tailed
After centuries of searching, he found Ah-eum's reincarnation in the present: Nam Ji-ah. He swore to protect Ji-ah at all costs so she could live longer in this lifetime... but does he succeed? Full of great CGI, heart-pumping action scenes, and cool storytelling—we can't think of any reason you would miss this drama of 2020. Watch this fantasy drama starring Lee Dong Wook, Jo Bo-ah, and Kim Bum, on Viu.
The World of the Married
Who *didn't* watch The World of the Married, yet? It was arguably this year's most talked about drama and is the highest rated drama in Korean cable television history. It tells the story of a married couple whose betrayal of one another leads to a whirlwind of revenge, grief, forgiveness, and ultimately healing.
The World of the Married
Kim Hee-ae as Doctor Ji Sun-woo is more than enough reason to tune in—this performance won her a well-deserved Best Actress at this year's Baeksang Arts Awards—but the drama's direction, production, and ensemble cast are great reasons, too. We loved the intense storytelling which featured betrayal on all fronts, retribution, and healing. The drama is available to watch on Viu and Netflix.
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