The Merciless Bulhandang (original title) (2017)
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Storyline
Jae-ho has established his own rules and put all of his fellow inmates under his control in a penitentiary facility. After he meets a newly imprisoned inmate, Hyeon-soo who won't give in to anyone under any circumstances, Jae-ho pursues his new ambition to become the boss of his organized crime group once he is released from the prison.
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