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A pair of corpses are found on the harbors of Poongsan, and Detective Do chases the slightest hint of connection to his case. Agent Park's past troubles catch up with her and threaten her safety.
First Air Date : Jan 14, 2017
Last Air date : Jul 31, 2021
Episode : 58 Episode
Season : 4 Season
Runtime: 60:14 minutes
Studio: OCN
Country: South Korea