Now playingAfter Nam Gi-seok's mysterious death, Nam Gi-jun emerges from seclusion on a mission to find the perpetrator — no matter the cost.
Mercy for None
S1 · E1 — Episode 1
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After tracking down Gi-seok's hit, Gi-jun discovers the scheme's origin — forcing him to enforce a rule he established more than a decade ago.
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Now playingAfter tracking down Gi-seok's hit, Gi-jun discovers the scheme's origin — forcing him to enforce a rule he established more than a decade ago.
Despite his father's precautions, Gu Jun-mo underestimates the threat he faces. Frustrated and desperate, he decides to handle Gi-jun himself.
Desperate to save his son, Chairman Gu digs deeper into Gi-seok's hit. After Jun-mo attacks his friends, Gi-jun goes head-to-head with Jun-mo's army.
Gi-jun quickly learns that his problems don't end with Jun-mo. A gang war breaks out after Chairman Lee suspects the real architect behind recent events.
Cha Yeong-do sets his plan in motion. As Lee Geum-son seizes power, Gi-jun faces betrayal, danger, and a race to uncover the truth behind it all.
With all his obstacles cleared, Geum-son puts his endgame into play. Will Gi-jun succeed in stopping him, or go down trying?