Season 1
This drama shows crime that could happen to anyone on any given day and the Subway Police who protect citizens as they travel below ground. Mostly, they deal with pickpockets and sexual harassment, but newbie Officer Yoo Ryung is after a much bigger case.
Episodes
1 Job Interview & Audition Oct 21, 2019 
2 Going Home to Family Oct 22, 2019 
3 Disciplinary Hearing Oct 28, 2019 
4 Tracking Down the Grasshoppers Oct 29, 2019 
5 Club Day Nov 4, 2019 
6 A Petty Thief? Nov 5, 2019 
7 Jealousy & Confusion Nov 11, 2019 
8 Facing the Harsh Truth Nov 12, 2019 
9 Getting Closer to the Subway Ghost Nov 18, 2019 
10 The Hideout Nov 19, 2019 
11 Going After the Grasshoppers Nov 25, 2019 
12 The One that Got Away Nov 26, 2019 
13 The Grasshoppers Are Behind Bars Dec 2, 2019 
14 The Subway Ghost Reveals Himself Dec 3, 2019 
15 The Subway Ghost’s Method Dec 9, 2019 
16 Finally Catching the Subway Ghost Dec 10, 2019