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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.
First Air Date : Oct 21, 2019
Last Air date : Dec 10, 2019
Episode : 16 Episode
Season : 1 Season
Runtime: 64:14 minutes
Studio: tvN
Country: South Korea
