Hyun-Woo (Kang Ha-Neul) is the only witness to a taxi driver murder case. After being falsely accused of murdering a taxi driver by an oppressive criminal investigation, he has spent 10 years in prison. Joon-Young (Jung Woo) is a lawyer in financial debt. He becomes aware of Hyun-Woo’s case. His intuition tells him that his case might be a good opportunity to advance his career. After Joon-Young meets Hyun-Woo, he becomes driven by a sense of justice and Hyun-Woo gains hope.

A “gangster noir” set in the 1970s, when Gangnam, Seoul goes under development. Political powers and darker organizations collide as they seek to grab control of the influential and exclusive area.

Yi-Hwan (Lee Min-Ki) is a former professional baseball player. He was involved in fixing games and lost everything. Gang boss Sang-Ha (Park Sung-Woong) runs a money lending business and a gambling location. He makes Yi-Hwan work for him. Meanwhile, Yi-Hwan falls for bar owner Yeon-Soo (Lee Tae-Im).