Catch The Ghost

Going Home to Family

Ryung officially becomes a member of the Wangsoori Subway Police and Ji Seok’s partner. Ryung gets into trouble from the start, because she sneaks into the tunnels. Meanwhile, an elderly man who delivers packages via subway becomes the victim of an assault. Ji Seok realizes that the package is related to criminal activities. While Ji Seok wants to hand the case over, Ryung acts before she thinks, as always.

Disciplinary Hearing

Ryung and Ji Seok attend the disciplinary committee hearing and return to the station for night duty. Thanks to Ji Seok’s martial arts demonstration and a pot of noodles, Ryung gets her hands on the screen door keys once more. Meanwhile, an ordinary father, whose livelihood takes place on the subway, goes missing.

Tracking Down the Grasshoppers

Ryung and Ji Seok save Choi Do Chul just in time. Throughout their investigation, Ji Seok miraculously learns to appreciate Ryung’s over-the-top nature. Meanwhile, a star professional fighter becomes the PR Ambassador for the Subway Police. By chance, Ryung comes across his dirty secret and the Wangsoori Subway Police finally get a lead on the Grasshoppers.

Club Day

Ji Seok makes up his mind to kick Ryung out of the Subway Police for taking investigations into her own hands all the time. However, Ryung is attacked while out on an investigation by herself and there is something weird about the man who seems to be following her. Meanwhile, the Wangsoori Subway Police get dressed up to go out on Club Day, the best day to boost their arrest records.

A Petty Thief?

A rumor circulates about people disappearing after they party all night on Club Day, then taking the first train home. Ryung and Ji Seok get on the first train to find out whether the rumor is true. During their train ride, they run into a suspicious petty thief and the truth about the first train rumor comes to light. Meanwhile, Ryung finally meets the Subway Ghost a month after joining the Subway Police.