The story follows a pariah detective pulled back into the game after his daughter’s friend becomes the latest women to go missing in Seoul’s fashionable Gangnam area. The detective will delve into a world of vice, drugs and corruption to uncover something that threatens to topple some of the city’s wealthiest elite.

01) Ji Chang-wook as Yoo Gil Ho - Yoon Gil-ho is a character who lived a low life in the darkest place behind the colorful city to survive, a mysterious broker who dominates Gangam area 

02) Jo Woo Jin as Kang Dong Woo - an elite detective who was demoted overnight from the elite police force, he follows the mystery behind his friend's daughter missing.

03) Ha Young Kyung as Min Seo-jin, a public prosecutor who is a former provincial national university and has been going straight for promotion at the prosecution office without any connections, in this work,