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The Roundup: Punishment

This time, "Monster Detective" Ma Seokdo has to take down Baek Changgi , the head of the largest illegal online gambling organization and a former mercenary of the special forces; He also has to deal with Jang Dongcheol, a genius CEO in the IT industry. Ma Seokdo teams up with Jang Yisoo, who makes a glorious comeback, and the Metropolitan Investigation unit and the Cyber Investigation unit launch a more comprehensive operation to wipe out the criminals!