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.
Driven by love, Dongwoo becomes a chauffeur and hunts for Yeseo while trying to rescue Jaehee, culminating in their joint confrontation with the carte...
A protective alliance forged through shared investigative goals, shifting toward a vengeful partnership after Jaehee is captured.
Gilho faces danger chasing suspects and later seeks revenge for Jaehee, while both Dongwoo and Gilho attempt to rescue her from Choi Hakgu.
Explore the full interactive character relationship map of Gangnam B-Side