S1 • E11 Nov 25, 2019 61m
8.28.0
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.