13 New K-Dramas to Watch in September 2025

Summer is over, beautiful people, but there are so many dramas coming out that I’m wondering how I’m going to make them all fit in my schedule! Romance, thriller, mystery, comedy, historical, I’m pretty sure that you will find a show to keep you entertained, busy and content despite having to leaving the good summer vibes behind. So, what are you watching this month?

September 5

My Youth

Cast: Song Joong Ki & Chun Woo Hee

Plot: Sun Woo Hae (Song Joong Ki) was a bright and popular child actor, who now lives peacefully as a novelist and florist. One day, Sung Je Yeon (Chun Woo Hee) appears in front of him. They were each other’s first love and helped each other get through the darkest times of their lives. This re-encounter and Je Yeon’s willful behavior slowly disrupt Woo Hae’s peace.

Episodes: 12

Channel: JTBC, Viki

Queen Mantis

Cast: Ko Hyun Jung & Jang Dong Yoon

Plot: Jung Yi Shin (Ko Hyun Jung) is a serial killer nicknamed the Mantis. She brutally murdered 5 men 20 years ago. She has a son named Cha Soo Yeol (Jang Dong Yoon). All his life, he’s loathed his mother. He now works as a police officer. One day, a murder smiliar to the Mantis’ takes place. To catch the culprit, Cha Soo Yeol asks his mother for help.

Episodes: 8

Channel: SBS, Netflix, Viki

September 6

Confidence Queen

Cast: Park Min Young, Park Hee Soon & Joo Jong Hyuk

Plot: Yoon Yi Rang (Park Min Young) is a con artist with an IQ of 165. She leads the con group Confidence Man, whichconsists of James (Park Hee Soon) and Myeong Ku Ho (Joo Jong Hyuk). These 3 talented swindlers, with their own different stories and personalities, team up and punish villains.

Episodes: 12

Channel: TV Chosen, Prime Video

September 10

Tempest

Cast: Jun Ji Hyun & Gang Dong Won

Plot: Moon Joo (Jun Ji Hyun) is a diplomat and a former ambassador to the US. One day, she learns there was political maneuvering behind an assassination case involving South and North Korea. Meanwhile, San Ho (Gang Dong Won) is an elite mercenary surrounded by secrets. Moon Joo and San Ho work together to uncover the truth behind the major incident.

Episodes: 9

Channel: Disney+, Hulu

September 12

You and Everything Else

Cast: Kim Go Eun & Park Ji Hyun

Plot: Ryu Eun Joong (Kim Go Eun) has a candid personality that attracts people. Her best friend and life long rival is Cheon Sang Yeon (Park Ji Hyun). During their teens, 20’s, and 30’s, they would lose contact with each other and reconnect multiple times. Now aged 42,  Sang Yeon suddenly appears in front of Eun Joong.

Episodes: 15

Channel: Netflix

September 13

A Hundred Memories

Cast: Kim Da Mi, Shin Ye Eun & Heo Nam Jun

Plot: Set in the 1980s, Go Young Rye (Kim Da Mi) works as a bus attendant though she suffers from motion sickness. Her best friend, Seo Jong Hee (Shin Ye Eun), works with her. Meanwhile, Han Jae Pil (Heo Nam Jun), the two friends’ first love, seems like a perfect man, but he suffers from emotional wounds.

Episodes: 12

Channel: JTBC, Viki

September 15

Shin’s Project

Cast: Han Suk Kyu, Bae Hyun Sung & Lee Re

Plot: Mr. Shin (Han Suk Kyu) runs a chicken restaurant. He has an outgoing and generous personality. He is a neighborhood negotiator, who always appears when disputes occur between neighbors and mediates their disputes. He always solves issues rapidly and properly. He also fights against injustice.

Episodes: 12

Channel: tvN, Viu

September 19

To the Moon

Cast: Lee Sun Bin, Ra Mi Ran, Jo Ah Ram & Kim Young Dae

Plot: Jung Da Hae (Lee Sun Bin) works as a contract worker for a big company. She is close to her colleagues Kang Eun Sang (Ra Mi Ran) and Kim Ji Song (Jo Ah Ram). One day, Kang Eun Sang suggests them to invest in digital coins to make money. Meanwhile, Ham Ji Woo (Kim Young Dae) is unhappy with his life, but begins to pursue his dream when he meets Da Hae.

Episodes: 12

Channel: MBC

September 20

Walking on Thin Ice

Cast: Lee Young Ae, Kim Young Kwang & Park Yong Woo

Plot: Eun Soo (Lee Young Ae) is a housewife, who struggles to pay for her terminally ill husband’s medical expenses. One days, she gets entangled in a bag of drugs with a mysterious teacher named Yi Kyeong (Kim Young Kwang). Eun Soo and Yi Kyeong are chased by veteran detective Tae Gu (Park Yong Woo).

Episodes: 12

Channel: KBS2

September 24

First Lady

Cast: Eugene, Ji Hyun Woo & Lee Min Young

Plot: Hyun Min Cheol (Ji Hyun Woo) grew up poor, but eventually became the president elect of South Korea. He’s married to Cha Soo Yeon (Eugene). 67 days before his presidential inauguration, he suddenly demands a divorce. As D-day draws closer, political conspiracies and family secrets are revealed amidst the conflict between the spouses.

Episodes: 12

Channel: MBN

No Mercy

Cast: Lee Joo Young, Ji Seung Hyun & Koo Jun Hoe

Plot: The drama relates the story of Han So Min (Lee Joo Young), an unknown actress, who endures with only determination after she loses her parents to a phishing scam. One day, she decides to infiltrate a massive voice phishing organization using deepfake technology to take them all down and get her revenge.

Episodes: 8

Channel: Dramax, Wavve

September 26

The Murky Stream

Cast: Rowoon, Shin Ye Eun & Park Seo Ham

Plot: In a corrupt Joseon, the fates of three individuals converge around the Gyeonggang River, where all of Joseon’s money and goods pass through. Jang Shi Yool (Rowoon)  is a good-for-nothing man, who hides his past. Choi Eun (Shin Ye Eun) is a righteous merchant and Jung Cheon (Park Seo Ham) is an upright government official.

Episodes: 9

Channel: Disney+, Hulu

Bonus: September 25

Alice in Borderland Season 3

Cast: Kento Yamazaki & Tao Tsuchiya

Plot: 4 years have passed since Arisu (Kento Yamazaki) and Usagi (Tao Tsuchiya) completed the games and  returned to their world. They are now married and live happily as a couple. One day, Usagi suddenly disappears. While searching for her, Arisu finds out that she’s in Borderland. To get his wife back, Arisu risks his life again in the games.

Episodes: 8

Channel: Netflix

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