“Mercy for None” Korean Drama 2025

Overview: “Mercy for None” Kdrama (also known as Gwangjang or Plaza Wars) is a Netflix original crime‑drama series that premiered on June 6, 2025. Starring So Ji Sub, Huh Joon Ho, Ahn Gil Kang, Lee Beom Soo, Gong Myung, Choo Young Woo, and Jo Han Chul, it tells the story of Nam Gi Jun, who left the gangster life for his brother, returns 11 years later to take revenge for his brother’s death.

mercy for none poster
GenreAction, Crime, Thriller, Mystery
Episodes7
Watch Online*Netflix
DirectorHong Seok Ku
ScriptwriterChoi Sung-eun
Air Time & Schedule All episodes released on Friday

Synopsis

Kdrama “Mercy For None” tells the story of Nam Gi Jun who used to be a top member of the Bongsan Gang, fighting in brutal gang wars. But when his younger brother joined their enemy gang, Joowoon, Nam Gi Jun made a painful choice—he left Bongsan for good and injured himself to prove he’d never go back.

Eleven years later, he lives a quiet life running a small drink business, staying out of trouble. But when his brother is found dead under strange circumstances, Nam Gi Jun decides to come back and find out the truth and get revenge.

Main Cast & Characters

  • So Ji Sub as Nam Gi Jun
  • Huh Joon Ho as Lee Joo Woon
  • Ahn Gil Kang as Gu Bong San
  • Lee Beom Soo as Sim Seong Won
  • Gong Myung as Gu Jun Mo
  • Choo Young Woo as Lee Geum Son
  • Jo Han Chul as Choi Seong Cheol

Still Cuts

Notes & Facts

  • The series adapts the webtoon Plaza Wars (Gwangjang) by Oh Se Hyung and Kim Kyun Tae (kdramastory.com)
  • So Ji Sub earlier starred in Korean drama “Doctor lawyer” (2022).
  • Huh Joon Ho earlier starred in Korean drama “Buried Hearts” (2025).
  • Ahn Gil Kang earlier appeared in Korean drama “Bitter Sweet Hell” (2024).
  • Lee Beom Soo earlier appeared in Korean drama “Private Lives” (2020).
  • Gong Myung earlier starred in Korean drama “Second Shot at Love” (2025).
  • Choo Young Woo earlier starred in Korean drama “The Trauma Code: Heroes on Call” (2020).
  • Jo Han Chul earlier appeared in Korean drama “Spring of Youth” (2025).

Trailers & Clips

This is an official 1:29 minutes trailer of “Mercy For None” which shows the revenge journey of Nam Gi Jun.


Drama is subject to regional availability on Netflix.