The idea of a K-drama set around subway cops does sound rather dull, or more accurately not very compelling with the crime elements. I’m only interested in upcoming tvN drama Catch the Ghost for lead Moon Geun Young despite the premise but then I watched the just released teaser and found it way cooler than expected. Moon Geun Young’s narration and the vast amounts of people riding the Seoul subways everyday is primed to have many potential criminal elements to probe. Perhaps not wide ranging conspiracies but the smaller daily life stories can be engaging, as shown in currently airing Hotel Del Luna which is tackling it on the supernatural side with the death stories of background characters.
First teaser for Catch the Ghost: