7.4 / 10 (based on 386 reviews)
An explosion took place in the past. That explosion led to a serial murder case known as the Chimera case. 35 years later, a similar explosion takes place.
Genre: Mystery, Thriller
Main Cast: Park Hae-soo, Lee Hee-joon, Nam Gi-Ae, Joon-seok Heo
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1 season, 16 episodes
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Jirisan (2021)
7.4 / 10 (based on 1117 reviews)
Set against the backdrop of towering views of Mount Jiri, it depicts the story of rangers and other employees of the Jirisan National Park who climb through the mysterious and unexplored regions of the mountain.
Genre: Action, Drama, Mystery, Thriller
Main Cast: Ju Ji-Hoon, Jun Ji-hyun, Jo Han-chul, Go Min-Si
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1 season, 16 episodes
One Ordinary Day (2021)
8.2 / 10 (based on 2606 reviews)
A remake of the BBC drama “Criminal Justice” that delves into the criminal justice system through the story of two men surrounding a woman’s murder.
Genre: Crime, Mystery
Main Cast: Kim Soo-hyun, Seung-Won Cha
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1 season, 8 episodes, 60.0-minute runtime
Happiness (2021)
7.9 / 10 (based on 6681 reviews)
An apocalyptic thriller that takes place in a time in which infectious diseases have become the new normal.
Genre: Action, Fantasy, Horror, Thriller
Main Cast: Han Hyo-joo, Park Hyung-Sik, Woo-jin Jo, Joo-hee Park
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1 season, 12 episodes
Inspector Koo (2021)
7.1 / 10 (based on 826 reviews)
A reclusive ex-cop reenters the game as an insurance investigator, searching for clues in crime scenes perfectly staged by a serial killer in her midst.
Genre: Action, Comedy, Thriller
Main Cast: Lee Yeong-ae, Hye-jun Kim, Kim Hae-sook, Sun-Young Kwak
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1 season, 12 episodes, 70.0-minute runtime
Geomeun Taeyang (2021)
7.5 / 10 (based on 923 reviews)
A spy investigation show with a story about a top National Intelligence Service (NIS) agent. In his endeavor to uncover the internal traitor that brought him to his downfall, he confronts a much bigger enemy behind the organization.
Genre: Action, Crime, Drama, Mystery, Thriller
Main Cast: Min Namkoong, Ha-seon Park, Ji-Eun Kim, Jang Young-Nam
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1 season, 12 episodes
Secret Royal Inspector Joy (2021)
7.2 / 10 (based on 559 reviews)
Set in Joseon dynasty, it tells the story of a young gourmet who unintentionally becomes a royal inspector and a divorced woman who rushes to find happiness, as they team up to investigate and defeat corrupt politicians.
Genre: Comedy, Drama, History, Mystery
Main Cast: Nam Mi-Jung, Taecyeon, Kim Hye-Yoon, Jung Soon-won
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1 season, 16 episodes
Bad and Crazy (2021)
8 / 10 (based on 2778 reviews)
A mystery drama in which detectives with different personalities solve various cases.
Genre: Action, Crime, Fantasy, Mystery, Thriller
Main Cast: Lee Dong-Wook, Han Ji-Eun, Hak-Yeon Cha, Wi Ha-Joon
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1 season, 16 episodes, 70.0-minute runtime
Dr. Brain (2021)
6.7 / 10 (based on 2572 reviews)
Brilliant brain scientist Sewon (Lee Sun-Kyun) suffers a horrific personal tragedy. Desperate to uncover what happened to his family, he conducts “brain syncs” with the dead to access their memories for clues.
Genre: Drama, Mystery, Sci-Fi, Thriller
Main Cast: Sun-kyun Lee, June Yoon, Yoo-Young Lee, Hee-soon Park
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1 season, 6 episodes, 60.0-minute runtime
Mellangkollia (2021)
7.3 / 10 (based on 474 reviews)
Set at a private high school, a beautiful story emerges between mathematics teacher and a genius mathematics student.
Genre: Drama, Romance
Main Cast: Lim Soo-jung, Lee Do-Hyun, Jin Kyung, Woo Da-Vi
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1 season, 16 episodes
Otsomae Bolkeun Kkeutdong (2021)
8.5 / 10 (based on 2119 reviews)
Based on a novel of the same name, it tells the record of a royal court romance between the King of Joseon who believes his duty is to his country first above love, and a court lady who wants to protect the life she has chosen.
Genre: Drama, History, Romance
Main Cast: Jun-Ho Lee, Se-yeong Lee, Jang Hie-jin, Ji-Young Park
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1 season, 17 episodes, 70.0-minute runtime
Won Deo Umeon (2021)
7.2 / 10 (based on 519 reviews)
Tells the story of a tough and rogue female prosecutor, who one day loses all of her memories and changes places with a conservative housewife who looks just like her.
Genre: Comedy, Drama, Romance
Main Cast: Lee Hanee, Sang-yoon Lee, Seo-Yeon Jin, Won-geun Lee
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1 season, 16 episodes
Keuraim Peojeul (2021)
7.1 / 10 (based on 88 reviews)
A criminal psychologist, sent to prison for murdering a political candidate, and the criminal profiler, who lost his father to a murder, conduct interviews about killings that happened in prison.
Genre: Drama, Mystery, Romance, Thriller
Main Cast: Yoon Kyesang, Ko Asung, Yoon Kyung-ho, Song Seon-mi
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1 season, 1 episode