Kapanlagi.com - Not all Korean dramas manage to captivate viewers from the very first episode. Some actually take time to build characters, conflicts, and the story world before finally presenting surprises that make it hard for viewers to stop watching.
This phenomenon occurs quite frequently in the Korean drama industry. Many titles that were initially considered slow, even nearly abandoned by viewers, manage to turn things around thanks to the development of the story, chemistry between the cast, or plot twists that emerge midway through the episodes.
For KLovers looking for shows with increasingly interesting story development as the episodes progress, here are 15 Korean dramas that initially seem ordinary but ultimately become addictive until the last episode.
1. Drama with a Slow Start but Ends Up Hard to Stop Watching

Copyright: The charm of K-Drama male characters that is unmatched (credit:instagram.com/tvn_drama)
1. Vincenzo (2021)
In the early episodes, Vincenzo primarily introduces the characters, the residents of Geumga Plaza, and the conflicts between the characters, making its rhythm feel relaxed. However, as the story progresses, the drama transforms into a strategic battle between a Korean-Italian mafia and a corrupt conglomerate.
- Cast & Broadcast: Song Joong Ki, Jeon Yeo Been, Ok Taec Yeon, Kim Yeo Jin, and Kwak Dong Yeon. Aired on tvN (February - May 2021) with a total of 20 episodes.
- Reasons to Watch: A blend of action, dark comedy, and law presented in a very balanced manner. Produced by Studio Dragon in collaboration with LOGOS Film, this drama features stunning cinematography and clever dialogue.
2. Hospital Playlist (2020)
The opening episode of Hospital Playlist focuses more on introducing the lives of five doctors who have been friends since college. The storyline feels very simple due to the lack of major conflicts, but over time, the bond and warmth between the characters become the main attraction of this drama.
- Cast & Broadcast: Jo Jung Suk, Yoo Yeon Seok, Jung Kyung Ho, Kim Dae Myung, and Jeon Mi Do. The first season aired on tvN (2020), followed by the second season (2021).
- Reasons to Watch: The story is realistic, warm, and full of meaning. Besides the medical drama, viewers are also treated to performances by the doctors' band playing nostalgic songs.
3.Reply 1988 (2015)
Reply 1988 begins its story with the daily lives of five families in the Ssangmundong neighborhood of Seoul. Because it features more simple daily activities, some viewers feel that the beginning of the drama moves a bit slowly.
- Cast & Broadcast: Hyeri, Ryu Jun Yeol, Park Bo Gum, Go Kyung Pyo, and Lee Dong Hwi. Aired on tvN (2015 - 2016) with a total of 20 episodes.
- Reasons to Watch: As you continue to follow the story, you will be brought to tears and laughter by the tale of friendship, first love, and very emotional family relationships. One of the masterpieces of Korean dramas of all time!
2. A Mystery Drama That Gets More Tense

Recommendation for Lee Je Hoon's Drama/mydramalist.com
4.Beyond Evil (2021)
Initially, this drama only shows the routine of police work in a small town and the investigation of a seemingly ordinary murder case. However, little by little, it is revealed that each character harbors dark secrets that make the story increasingly complex and chilling.
- Cast & Broadcast: Shin Ha Kyun and Yeo Jin Goo. Aired on JTBC (February - April 2021) with a total of 16 episodes.
- Reasons to Watch: The script is extremely brilliant and the performances of the actors are top-notch. It’s no wonder this drama won multiple awards, including Best Drama at the Baeksang Arts Awards!
5.Stranger / Secret Forest (2017)
The early episodes of Stranger are filled with heavy investigative dialogue from the prosecution and police, which may feel slow for some viewers. However, once all the pieces of the puzzle start to connect, the tension escalates dramatically.
- Cast & Broadcast: Cho Seung Woo and Bae Doona. The first season aired on tvN (2017) and the second season (2020).
- Reasons to Watch: The script is very well-structured and has minimal plot holes. This is one of the best investigative crime series ever produced in South Korea.
6.Signal (2016)
Signal starts its story with a kidnapping case that relies on conventional investigation. The story truly explodes when time-crossing communication through an old walkie-talkie begins to alter the past and future of the investigation.
- Cast & Airing: Lee Je Hoon, Kim Hye Soo, and Cho Jin Woong. Aired on tvN (January - March 2016) with a total of 16 episodes.
- Reasons to Watch: Combines a criminal story based on real cases in Korea with a time-crossing fantasy concept that is executed very realistically and keeps you on the edge of your seat.
3. A Romantic Drama That Makes You More Emotional

waiting for the bus/mydramalist.com
7.Hometown Cha-Cha-Cha (2021)
The beginning of the episode showcases the stereotype of a clash between an arrogant city girl and a versatile village youth. Sounds cliché? Wait until a few episodes pass.
- Cast & Airing: Shin Min Ah, Kim Seon Ho, and Lee Sang Yi. Aired on tvN (2021) with a total of 16 episodes.
- Reasons to Watch: The amazing warm Chemistry of the "Dimple Couple," along with the familial life of the residents of Gongjin. As the main character's past trauma begins to unfold, you are guaranteed to shed a tear.
8.Because This Is My First Life (2017)
The premise of a contract marriage to save on rent may seem ordinary, and the beginning of the story feels quite flat. However, as time goes by, this drama presents very deep and relatable conversations.
- Cast & Broadcast: Jung So Min and Lee Min Ki. Aired on tvN (2017) for 16 episodes.
- Reasons to Watch: Its dialogues are very poetic and realistic in capturing the concerns of adults in their 30s about careers, marriage, and social expectations.
9. Our Beloved Summer (2021)
The first episode only contains a childish debate between a pair of ex-lovers who are forced to shoot a documentary again after years of breaking up. The rhythm is relaxed and filled with a hate-to-love aura.
- Cast & Broadcast: Choi Woo Shik, Kim Da Mi, and Kim Sung Cheol. Aired on SBS (2021) for 16 episodes.
- Reasons to Watch: It has beautiful indie movie-style cinematography and a super cozy soundtrack. The emotional development of the characters will make the audience smile while also feeling heartbroken.
4. A Fantasy Drama That Gets More Exciting

The charm of K-Drama male characters that is unmatched (credit:instagram.com/tvn_drama)
10.Alchemy of Souls (2022)
This drama requires about 2-3 pure initial episodes to build the world-building. Explaining the fictional country of Daeho, the magic system, and the rules of soul transfer indeed makes the opening feel a bit heavy.
- Cast & Airing: Lee Jae Wook, Jung So Min, Go Yoon Jung, and Hwang Min Hyun. Aired on tvN in two parts (2022 - 2023).
- Reasons to Watch: Once the foundation is strong, the story picks up quickly with cool magical battles, political intrigue, and a romantic yet funny teacher-student relationship!
11.Guardian: The Lonely and Great God / Goblin (2016)
Episodes 1 and 2 are filled with flashbacks to the Goryeo era and the introduction of the Goblin's curse along with the Grim Reaper's task. The jumping timeline might make new viewers think a little extra.
- Cast & Airing: Gong Yoo, Kim Go Eun, Lee Dong Wook, and Yoo In Na. Aired on tvN (2016 - 2017) for a total of 16 episodes.
- Reasons to Watch: This is a legendary drama. An iconic bromance, cinematic-quality cinematography, and an epic soundtrack that is guaranteed to make you unable to move on.
12. Hotel Del Luna (2019)
In the beginning, this drama feels like it has a regular episodic format, where the hotel staff solves different "guest ghost" problems in each episode.
- Cast & Airing: IU (Lee Ji Eun) and Yeo Jin Goo. Aired on tvN (2019) with a total of 16 episodes.
- Reasons to Watch: As the story progresses towards the middle, the thread about the dark past of Jang Man Wol (IU), who is thousands of years old, begins to unfold. It presents visually stunning imagery (especially fashion IU) and a very tear-jerking conclusion.
5. Thriller and Survival Drama with the Best Plot Twists

jung ba reum character/mydramalist.com
13.Flower of Evil (2020)
This drama opens sweetly: a happy little family life between a warm metal craftsman and his wife, a police detective. The conflict seems cliché when the husband begins to be suspected of having a dark past.
- Cast & Airing: Lee Joon Gi and Moon Chae Won. Aired on tvN (2020) with a total of 16 episodes.
- Reasons to Watch: This drama is an expert in playing with the audience's psychology. Once the secrets start to unravel, the plot turns into a super intense cat-and-mouse chase. Lee Joon Gi's acting here is absolutely outstanding!
14.Mouse (2021)
The initial episodes are quite confusing due to many characters, time jumps, and seemingly random serial murder cases. The main character, Jung Ba Reum, also looks like an ordinary naive police officer.
- Cast & Broadcast: Lee Seung Gi, Lee Hee Joon, and Park Ju Hyun. Aired on tvN (2021) with a total of 20 episodes.
- Reasons to Watch: Prepare your mind, because this drama contains the craziest plot twist in the middle of its episodes! This is one of the best psychological thrillers that will make you question the line between absolute good and evil.
15. Happiness (2021)
The opening is more like a slice-of-life drama about a female police officer who invites her male friend to a contract marriage just to get subsidized apartment benefits. It is very slow and focuses on the lives of their new apartment residents.
- Cast & Broadcast: Han Hyo Joo, Park Hyung Sik, and Jo Woo Jin. Aired on tvN (2021) with a total of 12 episodes.
- Reasons to Watch: When a mysterious virus outbreak (similar to zombies) starts attacking the complex, this drama quickly shifts into a claustrophobic survival thriller. The social commentary between economic classes in this drama is very relatable and frustrating!
6. Frequently Asked Questions
1. Why are there Korean dramas that feel boring at the beginning?
Because some dramas choose to build the characters, relationships between characters, and the story background first so that the main conflict feels stronger and more emotional in the middle to the end of the episode.
2. Which Korean drama has the most drastic story development?
Vincenzo, Mouse, Beyond Evil, and Flower of Evil are among the dramas that experience the most significant increase in story intensity after the first few episodes.
3. Which Korean drama is suitable to watch if you like plot twists?
Signal, Stranger, Mouse, Beyond Evil, and Flower of Evil offer many layered surprises that are very hard to predict.
4. Do all the dramas on the list have satisfying endings?
Most receive positive responses from viewers because the resolution of the conflict is considered consistent, logical, and answers all the mysteries as the story develops.
5. Which drama is most suitable for beginners?
Hospital Playlist, Hometown Cha-Cha-Cha, and Our Beloved Summer are very suitable for new viewers because they have a light plot, likable characters, and a story that develops naturally without overly heavy conflicts.
(kpl/rao)
Disclaimer: This translation from Bahasa Indonesia to English has been generated by Artificial Intelligence.