No Mercy (TV series)

No Mercy
Promotional poster
Hangul
단죄
Hanja
斷罪
Lit.Condemnation
RRDanjoe
MRTanjoe
Genre
Written byKim Dan-bi
Directed byChoi Hyung-joon
Starring
Country of originSouth Korea
Original languageKorean
No. of episodes8
Production
Running time43–51 minutes
Production companyTiger Studio
Original release
Network
ReleaseSeptember 24 (2025-09-24) –
October 16, 2025 (2025-10-16)

No Mercy (Korean: 단죄) is a 2025 South Korean revenge crime thriller television series written by Kim Dan-bi, directed by Choi Hyung-joon, and starring Lee Joo-young, Ji Seung-hyun, and Koo Jun-hoe. The series follows an unknown actress who loses her parents to a voice-phishing scam and infiltrates the criminal organization using deep fake technology to take revenge. It was released on Wavve and Dramax from September 24, to October 16, 2025.

Synopsis

Ha So-min, a former police university student turned struggling actress, seeks revenge after her parents are destroyed by a voice-phishing organization called Ilseongpa. Using her acting skills and knowledge of technology, she infiltrates the criminal group, assuming multiple identities to uncover their operations. Along the way, she forms a tense alliance with Park Jeong-hun, a detective pursuing the same criminals, navigating a dangerous world of deception, espionage, and high-stakes fraud.

Cast and characters

Main

A former police academy student turned struggling actress.
The leader of the loan-fraud phishing organization Ilseongpa.
A detective who graduated at the top of his police academy class.

Supporting

  • Shin Su-ho as Kim Do-jin[4]
A former member of Ilseongpa and now an informant for Jeong-hun.
So-min's mother.
  • Cha Hyun-seung as Yoo-seung[6]
Seok-gu's close aide and personal secretary.
  • Lee Eun-joo as a flower shop owner[7]
  • Seo Jin-won as Ha Hyun-jin[8]
So-min's father.
  • Nam Gwon-a as In Ye-hyang[9]

Production and release

In December 2024, Lee Joo-young has been cast as the lead in the eight-episode Wavve original drama and began filming in mid-February 2025. The series is written by Kim Dan-bi, directed by Hwang In-hyuk, and produced by Tiger Studio. It was scheduled to be released on Wavve in May 2025. In addition, the drama was selected by the Korea Creative Content Agency in 2024 for production support as OTT-specialized content.[10]

In February 2025, Wavve announced that the series was part of their content lineup that would be released in the first half of 2025, changed the director to Choi Hyung-joon, and cast Ji Seung-hyun and Koo Jun-hoe as the other lead actors.[11]

In August 2025, the series was confirmed to be released on Wavve on September 24, every Wednesday and Thursday at 21:30 (KST) and simultaneously broadcast on Dramax at 21:40 (KST).[12]

References

  1. ^ Jang, Da-hes (March 17, 2025). '단죄' 이주영, 보이스피싱 복수 설계자 된다 ['No Mercy' Lee Joo-young, becomes the mastermind behind revenge against voice phishing]. iMBC (in Korean). Archived from the original on December 11, 2025. Retrieved November 30, 2025.
  2. ^ Son, Bong-seok (March 17, 2025). 배우 지승현 드라마 '단죄' 마석구 역 출연 [Actor Ji Seung-hyun to appear in drama 'No Mercy' as Ma Seok-gu]. Sports Kyunghyang (in Korean). Archived from the original on March 17, 2025. Retrieved November 30, 2025.
  3. ^ Kim, Jong-eun (March 17, 2025). 아이콘 구준회, 드라마 '단죄' 합류...형사로 변신 [공식] [iKon's Koo Jun-hoe joins drama 'No Mercy'...transforms into a detective [Official]]. iMBC (in Korean). Archived from the original on March 17, 2025. Retrieved November 30, 2025.
  4. ^ Jang, Da-hee (September 17, 2025). 신수호, 드라맥스x웨이브 드라마 '단죄' 출연...전 조직원 출신 정보원 役 [Shin Su-ho to appear in the Dramax x Wavve drama 'No Mercy'...plays an ex-organization member turned informant]. iMBC (in Korean). Archived from the original on December 11, 2025. Retrieved November 30, 2025.
  5. ^ Son, Bong-seok (September 23, 2025). 배우 이지하, 드라마 '단죄' 비극 마주하는 엄마 역할 낙점 [Actress Lee Ji-ha cast in drama 'No Mercy' as a mother facing tragedy]. Sports Kyunghyang (in Korean). Retrieved November 30, 2025.
  6. ^ Kim, Hyun-rok (October 2, 2025). "힘!" 지승현, '혈액암 투병' 차현승 응원...'단죄' 최측근 투샷 ["Stay strong!" Ji Seung-hyun supports Cha Hyun-seung in his 'battle with leukemia'...close-up shot with 'No Mercy' co-star]. SPOTV News (in Korean). Retrieved November 30, 2025.
  7. ^ Han, Ah-jin (October 10, 2025). '단죄' 이은주, 꽃집 사장 役 열연... 섬세 연기로 더한 '서사 깊이' ['No Mercy' Lee Eun-joo shines as a flower shop owner... adds narrative depth with delicate performance]. Fnstar (in Korean). Archived from the original on December 11, 2025. Retrieved November 30, 2025.
  8. ^ Son, Bong-seok (October 10, 2025). 배우 서진원, 이주영의 핵사이다 복수극 '단죄' 원동력! [Actor Seo Jin-won, the driving force behind Lee Joo-young's thrilling revenge drama 'No Mercy']. Sports Kyunghyang (in Korean). Archived from the original on December 6, 2025. Retrieved November 30, 2025.
  9. ^ Ahn, Byung-gil (November 30, 2025). '태풍상사' '단죄' '폭싹' 대세 드라마의 공식, 남권아 ['Typhoon Family' 'No Mercy' 'WLGYT' the secret behind the hottest dramas, Nam Gwon-a]. Sports Kyunghyang (in Korean). Archived from the original on December 12, 2025. Retrieved November 30, 2025.
  10. ^ Kim, Yang-soo (December 6, 2025). [단독] 이주영, 8부작 '단죄' 캐스팅....보이스피싱·딥페이크 소재 [[Exclusive] Lee Joo-young cast in 8-episode drama Condemnation...centered on voice phishing and deepfake themes]. Joy News 24 (in Korean). Archived from the original on October 10, 2025. Retrieved November 30, 2025.
  11. ^ Jang, Da-hee (February 25, 2025). '단죄'·'리버스'→'너의 연애'...웨이브 상반기 콘텐츠 '풍성' ['No Mercy' and 'Reverse' to 'Your Love'...Wavve's first-half lineup 'packed' with content]. iMBC (in Korean). Archived from the original on January 1, 2026. Retrieved November 30, 2025.
  12. ^ Yoo, Ji-hee (August 17, 2025). 이주영X지승현X구준회 '단죄', 9월 24일 첫 공개 [공식] [Lee Joo-young, Ji Seung-hyun, and Koo Jun-hoe's 'No Mercy' to premiere on September 24 [Official]]. Ilgan Sports (in Korean). Archived from the original on August 27, 2025. Retrieved November 30, 2025.


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