# Mercy for None (2025)

> A former gangster returns to his old world to uncover the truth behind his brother's death and pursue relentless revenge.

Canonical page: https://ember.film/tv/150294

## Facts

- Seasons: 1
- Episodes: 7
- Episode runtime: 42 min
- Status: Ended
- Genres: crime, action, drama
- Network: Netflix
- Cast: So Ji-sub, Huh Joon-ho, Gong Myoung, Choo Young-woo, Ahn Kil-kang, Cho Han-chul, Lee Jun-hyuk, Cha Seung-won
- TMDB rating: 7.5/10
- IMDb: https://www.imdb.com/title/tt29650530/

## Ember's analysis

- Pacing: brisk
- Intensity: strong
- Complexity: layered
- Violence: brutal
- Tone: gritty, relentless, bloody, fatalistic, intense

## What critics say

Viewers broadly find it a gritty, unrelenting South Korean organised crime thriller with strong action and choreography, rated positively by its audience.

## Synopsis

Mercy for None (2025) is a South Korean crime drama miniseries created for Netflix, adapted from a webtoon. Its protagonist is former gangster Nam Gi-jun, played by So Ji-sub, who severs ties with his criminal organisation and returns to the underworld after his brother's death. Huh Joon-ho plays Lee Joo-woon, Cho Han-chul plays Choi Seong-chul, and Cha Seung-won plays Cha Young-do, with the cast orbiting the power struggles of organised crime. Across seven episodes of roughly forty-two minutes each, the engine of the series is a single driving quest: a man with a violent past pushes through rival factions and old loyalties to uncover what really happened, and each episode escalates the confrontations. The story is one continuing arc rather than a case of the week, and it is delivered as a tightly built limited series. The tone is gritty, relentless and bloody, with long sequences of choreographed fights and a sense of fatalism beneath the action. Set in a contemporary South Korean criminal underworld, it carries the intensity of a Korean gangster thriller and will appeal to viewers who enjoy revenge stories, in the vein of Money Heist and Sweet Home for their high stakes and kinetic violence. Its moral world is unforgiving, and loyalty and blood ties are tested at every turn.

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