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The police make headway on the Subway Serial Murders and narrow down the suspect list. After getting a tip about the identity of one of the Grasshoppers, Ryung and the Metropolitan Detective Division chase him down as he might be the Subway Ghost. Meanwhile, Ji Seok’s investigative instincts start acting up again, despite his suspension.
First Air Date : Oct 21, 2019
Last Air date : Dec 10, 2019
Episode : 16 Episode
Season : 1 Season
Runtime: 64 minutes
Studio: tvN
Country: South Korea
