Line Walker

Overview

Line Walker is a high-stakes Hong Kong crime drama that centers on the complex world of undercover police officers (UCs) operating within the city's dangerous triad organizations. The story begins when a high-ranking CIB inspector dies, leaving behind a trail of deleted undercover agent profiles. Superintendent Cheuk Hoi is tasked with finding these lost agents before they are exposed and killed by the triads or corrupt police officials. As Cheuk Hoi navigates the treacherous underworld, he crosses paths with Ding Siu-ka, an undercover agent posing as a foot massage parlor owner, and Sit Ka-keung, a charismatic triad member known as 'Bao Seed.' The series masterfully explores themes of loyalty, identity, and moral ambiguity, as the protagonists struggle to maintain their cover while uncovering a massive conspiracy that reaches the highest levels of the Hong Kong Police Force.