Overview

• Mercy for None, based on the webtoon Plaza Wars by O Se-hyung and Kim Gyun-tae, launched globally on Netflix on June 6, 2025.
• So Ji-sub stars as Nam Ki-jun, a former gangster who returns to the underworld to avenge his brother’s mysterious death.
• The eight-episode series emphasizes hand-to-hand combat over firearms, drawing comparisons to John Wick with its brutal, close-quarters fight sequences.
• Director Choi Sung Eun secured So Ji-sub as the lead to meet fan expectations and to capture the protagonist’s blend of vulnerability and ferocity.
• The supporting cast includes Lee Jun-hyuk, Gong Myoung, An Kil-kang, Heo Jun-ho, Cha Seung-won and Jo Han-chul, each portraying key figures in the city’s warring crime factions.