Genres: Action, Thriller, Mystery, Crime

Set in the vibrant yet gritty streets of 1990s Seoul, a former DJ seizes control of a powerful gangster organization and begins pushing a potent new drug called "Gangnam Crystal" through the city's nightclubs. With the police struggling to trace the source of the drug, rural cop Park Jun Mu is thrust into the heart of the operation, tasked with infiltrating the ruthless cartel.

But Jun Mu's mission takes a shocking twist when he discovers that his wife, Yoo Eui Jung—also a detective—has volunteered for the same deadly mission. As secrets from her past with the infamous drug lord come to light, Jun Mu finds himself torn between taking down the criminal empire and protecting the woman he loves. In a world where every move is a risk, can he bring justice to the streets while keeping his wife safe from the dangers that surround them both?

Tags: Gang, Graphic Violence, Skilled Fighter, Investigation, Married Male Lead, 1990s, Noir, Suspense, Drama, Stabbing