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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.
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Other episodes for this season
![Job Interview & Audition](https://image.tmdb.org/t/p/w300/3pFw9D68BZUqVZTWfkMDiyrbEON.jpg)
![Going Home to Family](https://image.tmdb.org/t/p/w300/4jpgFfFOEXwAJ1SfKv1Eq80ZmxJ.jpg)
![Disciplinary Hearing](https://image.tmdb.org/t/p/w300/euMgPh9MSeUJYQiQ259zNzlJh4D.jpg)
![Tracking Down the Grasshoppers](https://image.tmdb.org/t/p/w300/dYr4f8aDCzRaWubBBfFbelwofUx.jpg)
![Club Day](https://image.tmdb.org/t/p/w300/5TzHqQ3u6BNqBQHO3XN3wa6vub0.jpg)
![A Petty Thief?](https://image.tmdb.org/t/p/w300/nTODxsIrNEedQE0OspjFxQowntD.jpg)
![Jealousy & Confusion](https://image.tmdb.org/t/p/w300/xYEEEMVnMZEIdUpA9JsPvnqUNbB.jpg)
![Facing the Harsh Truth](https://image.tmdb.org/t/p/w300/29UXj3cErRLwsvtKO7QH3xjxMJo.jpg)
![Getting Closer to the Subway Ghost](https://image.tmdb.org/t/p/w300/6Bi2OmVGuSayrUewwJOqSxK7hyC.jpg)
![The Hideout](https://image.tmdb.org/t/p/w300/6SE4mFXFSK0YRZzNzIpkfUfEFmY.jpg)
![Going After the Grasshoppers](https://image.tmdb.org/t/p/w300/cuq1QfV0rQoxnnnkV7all5JVNR7.jpg)
![The One that Got Away](https://image.tmdb.org/t/p/w300/gi8HT6lrrwQWZgqtm9AWGeOjdsw.jpg)
![The Grasshoppers Are Behind Bars](https://image.tmdb.org/t/p/w300/4SUjkR5tXMgaGvcfai2o5qyIhnm.jpg)
![The Subway Ghost Reveals Himself](https://image.tmdb.org/t/p/w300/rSGqs6NbFFa5estY7vasmVGE3be.jpg)
![The Subway Ghost’s Method](https://image.tmdb.org/t/p/w300/9rScSIU0DFiN8MhnGuW0JnC6cvH.jpg)
![Finally Catching the Subway Ghost](https://image.tmdb.org/t/p/w300/cMndTBbnGskQrEYYq3uja7qU2zv.jpg)