Season 1

201912 EpisodesDrama, Action & Adventure, Crime, Mystery

Cast & Crew

Jung Jae-eun

Jeong So-yeon

David Lee McInnis

Pavel

Ji Il-ju

Yoon Jung-Woo

Roh Jeong-eui

Kang Seul-Ki

Jung Hae-kyun

Do Jae-Hwan

Ok Ji-young

Yoon Ji-hye

Lee Jae-won

Philip An

Jang Ki-yong

Kim Soo-Hyun

Nana

Do Hyun-Jin

Nam Sung-woo

Episode Guide

Soo-hyun, Hyun-jin and a mysterious high-school girl reside in the same building. Meanwhile, the 'Red Mafia', a Russian mafia is connected to the case Soo-hyun is investigating.