The missing daughter's friend whose disappearance serves as the inciting incident that draws Kang Dong-woo back into the criminal investigations of Seoul.
A deep romantic bond that drives Dongwoo's transition from detective to undercover chauffeur, ultimately leading them to face the cartel together.
A protective alliance forged through shared investigative goals, shifting toward a vengeful partnership after Jaehee is captured.
Explore the full interactive character relationship map of Gangnam B-Side