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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.
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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)