Netflix released sneak peek first for Mercy for Noneadaptation live-action from webtoon Plaza Wars (Gwangjang) which is scheduled to air in 2025. The series stars So Ji-sub as Ki-joon, along with Lee Beom-soo, Heo Joon-ho, and Ahn Gil-kang.
About Mercy for None
Mercy for None is K-drama crime adapted from Plaza Wars, a webtoon written by Oh Se-hyung and illustrated by Kim Kyun-tae. This webtoon was first published in 2020 and ended in 2021, receiving great attention in WEBTOON ENTERTAINMENT.
The series follows the story of Ki-joon, a powerful fighter in the gang world who manages to end a long feud between criminal groups in Seoul. However, when his younger brother, Ki-seok, begins to rise through the ranks in a rival gang, Ki-joon decides to avoid conflict by injuring his own Achilles tendon and leaving a life of crime behind.
After 11 years, Ki-seok, who was nearing the peak of his career, was found dead in a mysterious surprise attack. Full of rage, Ki-joon returns to his old group to find the culprit and avenge his brother's death. In his search, he begins to realize that the mastermind behind this tragedy may not be far from the circle he left behind.
Cast and Production
Netflix confirmed that Mercy for None has completed filming in 2024. However, there is no official information on who will direct or write the screenplay for the series.

Some of the actors involved in this project include:
- So Ji-sub (Doctor Lawyer, My Secret Terrius) as Ki-joon.
- Heo Joon-ho (Kingdom, Missing: The Other Side).
- Ahn Gil-kang (The Villainess, The Rebel).
- Lee Beom-soo (Giant, Dr. Brain).
With this lineup of actors, the series is expected to capture the dark and intense atmosphere of the original source.
Loyalty to Webtoon
Netflix mentions that Mercy for None will retain the main elements of Plaza WarsIt includes crime themes, acts of revenge, and strong moral dilemmas. However, like the adaptation live-action In general, some changes may be made to adapt to the serial format.
The sneak peek that has been released gives an initial idea of the visuals and atmosphere that are carried in K-drama This. More details about the adaptation are likely to be announced in the near future.
Release Schedule Mercy for None
Netflix confirms Mercy for None will air in 2025, but the exact date has not yet been announced. More information regarding the release of the series is expected to be announced in the next few months.
Sources: Netflix YouTube channel