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Tae-soo tries to steal from a gang. The gang catches Tae-Soo's brother, Tae-Jin, instead. The incident causes the brothers to separate. Tae-Soo becomes a mob fixer and an assassin. Tae-Jin becomes a police detective. When a call brings the brothers together, they get ready for brotherly bonding, but Tae-Jin gets killed. Tae-Soo decides to get revenge on his brother's killer.