Line Walker
Year: 2016
Runtime: 108 mins
Language: Cantonese
Director: Jazz Boon
When details about undercover police officers are erased from a police database, a veteran officer finds himself in a precarious situation. He must determine which of his colleagues are still working as law enforcement and which have been compromised and are now criminals. The ensuing investigation reveals a dangerous web of deceit and betrayal within the force.
Line Walker (2016) – Spoiler-Free Movie Summary & Plot Overview
Get a spoiler-free look at Line Walker (2016) with a clear plot overview that covers the setting, main characters, and story premise—without revealing key twists or the ending. Perfect for deciding if this film is your next watch.
In the neon‑lit maze of Hong Kong, the Criminal Intelligence Bureau’s undercover unit lives a constant double life, slipping between the ordinary rhythms of the city and the hidden shadows of the underworld. The atmosphere is tense and gritty, a place where identities are as fluid as the rain‑slick streets, and every whispered conversation could be a clue—or a trap. Within this world, loyalty is measured not by badge numbers but by the fragile trust that keeps an officer’s secret persona intact.
Cheuk Hoi, a seasoned chief inspector, discovers that the official records of his undercover agents have vanished from the police database, leaving their very existence in limbo. Charged with uncovering the truth, he steps into a precarious game of cat‑and‑mouse, forced to question every colleague and confront the unsettling possibility that some of his own may have been co‑opted. The weight of this mission presses against his sense of duty, setting a tone of quiet urgency that permeates each interaction.
As Hoi begins to piece together the remnants of the erased files, he encounters Ting Siu Ka, a resourceful operative who runs a seemingly innocuous foot‑massage parlor, and Sit Ka Keung—known on the streets as “Bao Seed”—who operates far from the polished precincts of the force. Their hidden roles hint at a network of agents bound together by shared secrecy, each navigating personal dilemmas while staying one step ahead of unseen adversaries. Meanwhile, Kobe Lin Ho Kan balances a precarious cover as a stock broker, and Mok Sin Yan, an ICAC officer, eyes Hoi with a mixture of suspicion and curiosity, adding another layer to the web of intrigue.
Together, these characters inhabit a world where the line between law enforcer and lawbreaker blurs, and where every decision could tip the balance between order and chaos. The series pulses with a moody, suspense‑laden rhythm, inviting the audience to wonder who can truly be trusted when the very records that define a cop’s identity have been erased.
Last Updated: September 24, 2025 at 04:57
Explore Movie Threads
Discover curated groups of movies connected by mood, themes, and story style. Browse collections built around emotion, atmosphere, and narrative focus to easily find films that match what you feel like watching right now.
Mole Hunt Thrillers like Line Walker
Stories where trust is dangerous and the enemy is hidden within your own ranks.If you liked the tense, paranoid investigation in Line Walker, you'll enjoy these movies about betrayal from within. This collection features gripping stories of undercover agents, corporate espionage, and institutional moles where the search for a traitor creates relentless suspense.
Narrative Summary
The narrative revolves around the discovery of a breach of trust, triggering an urgent investigation to uncover a hidden adversary. The plot is driven by suspicion, misdirection, and a series of reveals that constantly shift allegiances, often culminating in a painful truth and significant personal cost.
Why These Movies?
These movies are grouped by their shared core conflict—the hunt for a mole—which generates a specific, claustrophobic kind of tension. They share a fast pace, high intensity, and a thematic focus on loyalty, deception, and the psychological toll of living a double life.
Undercover Agent Movies like Line Walker
Gripping tales of agents living perilous lies, where one slip means death.Fans of Line Walker will appreciate these similar movies about the brutal realities of undercover work. Explore stories where police officers infiltrate dangerous organizations, facing moral ambiguity and the constant threat of exposure in these heavy, complex crime dramas.
Narrative Summary
The narrative follows an operative embedded in a hostile environment, balancing their real mission with the demands of their false persona. The journey is marked by escalating risks, blurred lines between duty and the cover life, and profound emotional sacrifices, often leading to a bittersweet resolution.
Why These Movies?
These films are connected by their deep dive into the undercover experience. They share a heavy emotional weight, complex character dynamics, and a consistent tone of anxiety, exploring the themes of identity, sacrifice, and the corrosive nature of deception.
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Line Walker Summary
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Line Walker Timeline
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