After Nam Gi-seok's mysterious death, Nam Gi-jun emerges from seclusion on a mission to find the perpetrator — no matter the cost.
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.
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.