1. What's Wrong with Secretary Kim (김비서가 왜 그럴까)
Lee Young-Joon's family runs a large company and he works as the vice-president of the company. He is smart, rich and handsome, but he is arrogant. His secretary is Kim Mi-So. She has worked for him for years and she is perfect for him, but Kim Mi-So decides to quit her job.
It has an average vote of 8.353 on TMDB.
2. The King: Eternal Monarch (더 킹 : 영원의 군주)
Korean emperor Lee Gon tries to close the doors to a parallel world which was opened by demons; a detective tries to protect the people and the one she loves.
It has an average vote of 8.333 on TMDB.
3. Oh My Venus (오 마이 비너스)
Dumped by her boyfriend of 15 years for gaining weight, a lawyer gets help from a hotshot personal trainer to get in shape and turn her life around.
It has an average vote of 8.2 on TMDB.
4. Love Alarm (좋아하면 울리는)
Love Alarm is an app that tells you if someone within a 10-meter radius has a crush on you. It quickly becomes a social phenomenon. While everyone talks about it and uses it to test their love and popularity, Jojo is one of the few people who have yet to download the app. However, she soon faces a love triangle situation between Sun-oh whom she starts to have feelings for, and Hye-young, who has had a huge crush on her.
It has an average vote of 8.31 on TMDB.
5. Descendants of the Sun (태양의 후예)
After a chance meeting in a hospital, an ardent soldier falls for a gifted surgeon. Opposing philosophies tear them apart, but fate has other plans.
It has an average vote of 8.368 on TMDB.
6. Doctors (닥터스)
A recalcitrant, delinquent teen girl meets a compassionate teacher, who inspires her to alter her path and become a street-savvy neurosurgeon.
It has an average vote of 8.193 on TMDB.
7. The Legend of the Blue Sea (푸른 바다의 전설)
A mermaid from the Joseon period ends up in present-day Seoul, where she crosses paths with a swindler who may have ties to someone from her past.
It has an average vote of 7.4 on TMDB.
8. My Only Love Song (마이 온리 러브송)
Song Soo-Jung is an arrogant pop star who believes not only that status and money can get you anywhere, but that it defines your worth. She accidentally falls into a time-slip portal and travels back in time to the Joseon era where she meets On-Dal, a man who loves money yet is generous to those without.
It has an average vote of 8.176 on TMDB.
9. Mr. Queen (철인왕후)
In the modern age, Jang Bong-hwan is a chef who works for the country's top politicians at the Blue House. He has a free spirit, but he one day finds himself in the body of Queen Cheorin in the Joseon period.
It has an average vote of 8.545 on TMDB.
10. My Love From Another Star (별에서 온 그대)
An alien who came to Earth 400 years ago is almost able to return to his own planet, but when he meets a famous actress, he doesn't want to go home.
It has an average vote of 8.333 on TMDB.
11. My Secret, Terrius (내 뒤에 테리우스)
A woman named Go Ae-Rin loses her husband. Along with her neighbour Kim Bon, who is a NIS agent, they discover the truth behind her husband's involvement in a huge conspiracy.
It has an average vote of 8.2 on TMDB.
12. Strong Woman Do Bong Soon (힘쎈여자 도봉순)
Born with supernatural strength, Do Bong-soon fights evil and procures justice while getting tangled in a love triangle with her CEO boss and cop crush.
It has an average vote of 8.106 on TMDB.
13. Healer (힐러)
A star reporter, a second-rate journalist and a man by the code name "Healer" are brought together by a long-buried incident that hides dark truths.
It has an average vote of 8.384 on TMDB.
14. Link: Eat, Love, Kill (링크: 먹고, 사랑하라, 죽이게)
Eun Gye-hoon, a famous chef, opens a restaurant in a town he lived when he was a little kid. In the past, he had a twin sister. But after a traumatic incident tat the hometown, the family lost her. He used to have a strong emotional link to his sister, able to synchronize with any kinds of feelings she was having. When Noh Da-hyun, a young woman in need of help, visits him one day, Gye-hoon starts to feel that strong link again.
It has an average vote of 7.629 on TMDB.
15. Hi Bye, Mama! (하이바이, 마마!)
The story of a mother who died and begins a 49-day long project of reincarnation, and a husband who has barely begun to live a new life after overcoming the pain of losing his wife.</p><p></p><p>Jo Kang Hwa is a skilled thoracic surgeon. After losing his wife four years ago, he had been working as a single father until he got married again two years ago. While he seems like a caring person, he does not offer a hand nor intervene when needed.
It has an average vote of 8.089 on TMDB.
16. Crash Landing on You (사랑의 불시착)
A paragliding mishap drops a South Korean heiress in North Korea -- and into the life of an army officer, who decides he will help her hide.
It has an average vote of 8.579 on TMDB.
17. Suspicious Partner (수상한 파트너)
Noh Ji Wook is a prosecutor in the Central District Prosecutors’ Office who ends up switching professions to a private attorney. He harbors a trauma stemming from an event in his childhood involving his parents and his first love. Eun Bong Hee, a Taekwondo athlete in her youth, is a prosecutor trainee who has become a murder suspect. Eun Bong Hee and Noh Ji Wook both find themselves being the focus of a killer.
It has an average vote of 7.763 on TMDB.
18. Scarlet Heart: Ryeo (달의 연인 - 보보경심 려)
A story of a 25-year-old Go Hajin who is transported back in time to the Goryeo Dynasty. She then wakes up in the body of Lady Hae Soo and finds herself amongst the ruling princes of the Wang Family.
It has an average vote of 8.558 on TMDB.
19. Death's Game (이재, 곧 죽습니다)
At the brink of going to hell, Yee-jae must cycle through twelve separate lives and twelve separate deaths in this reincarnation drama.
It has an average vote of 8.585 on TMDB.
20. Sky of Love: Someone I love is there (恋空)
An ordinary senior high school girl named Mika meets Hiro, a showy boy with dyed hair and pierced ears. It is a "pure love" story of the two going through many unimaginably sad incidents while nurturing their love single-mindedly. It not only depicts the first love of the senior high school couple but also weaves "a story of Mika and Hiro" through episodes probably familiar to anybody, such as warmth and affection of their family members supporting the two, importance of living, interactions with friends, and so on.
It has an average vote of 7.6 on TMDB.