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Once Upon a Time in Hong Kong (2021) movie poster

Characters & Themes

Once Upon a Time in Hong Kong (2021) Characters, Setting & Themes Explained

Release, runtime and language
2021 · 106 mins · Cantonese
JustWatch #30 13
Directed by
Wong Jing, Woody Hui Ngai-Ming
Starring
Louis Koo, Tony Leung Ka Fai, Yu Kang, Gordon Lam Ka-Tung, Derek Kwok Jing-Hung, Wilfred Lau Ho-Lung

In 1973, a dangerous alliance formed between corrupt Hong Kong police officers and criminal elements, fueled by the British government’s pursuit of profit and disregard for the city’s inhabitants. The situation escalated to the point where citizens were being poisoned. In response, the Governor of Hong Kong established the Independent Commission Against Corruption (ICAC) to investigate and dismantle this web of deceit and criminal activity.

On this page (7)
  1. 1 Where to watch
  2. 2 Characters explained (4)
  3. 3 Where & when it takes place
  4. 4 Themes & meaning (3)
  5. 5 Character & meaning questions
  6. 6 Movie threads
  7. 7 Every angle

Where to watch

Where to Watch Once Upon a Time in Hong Kong (2021)

Where can you watch Once Upon a Time in Hong Kong? Stream, rent or buy it in the US, including on fuboTV, FXNow and YouTube TV: current JustWatch availability with up-to-date prices.

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4 main characters · contains spoilers

Once Upon a Time in Hong Kong Characters Explained: Who Is Who

The main characters of Once Upon a Time in Hong Kong (2021), heroes and villains: what drives them, how they change over the course of the story and what each of them reveals about the film's bigger ideas.

  • Hank Chan (Louis Koo)

    A principled lawyer who despises corruption and believes in protecting citizens’ rights. He reunites with Nash Pak to join the newly formed ICAC, and he helps assemble the first batch of investigators to take on Ho and Chui Lok. His determination and moral clarity push him to confront powerful interests despite increasing danger.

    • 🧭 Principled
    • 🕵️ Investigator
    • 🗳️ Anti-corruption
  • Chui Lok (Francis Ng Chun-Yu)

    A chief detective who has become a pillar of the corruption empire, colluding with Ho for over a decade. Charismatic and ruthless, he wields power to threaten investigators and maintain control over the city’s underworld. His alliance with Ho makes him a formidable opponent for the ICAC team.

    • 🗝️ Powerful
    • 🕵️ Detective
    • 🗡️ Tyrant
  • Crippled Ho (Tony Leung Ka-Fai)

    played by Tony Leung Ka Fai

    Triad leader and drug lord who has built a vast, shadowy empire. He collaborates with Chui Lok to entrench his wealth and influence while countering ICAC’s efforts. His presence represents the entrenched, systemic rot the new anti-corruption force aims to dismantle.

    • 💰 Power
    • 🗡️ Tyrant
    • 🎭 Crime-boss
  • Nash Pak (Gordon Lam Ka-Tung)

    Chan’s college classmate who returns from Britain and is impressed by Chan’s integrity. He invites Chan to join the governor’s ICAC initiative and helps recruit a talented team. Pak represents pragmatic support for reform and strategic thinking within the movement.

    • 🤝 Ally
    • 🧠 Strategist
    • 🎯 Motivator

Last updated: January 28, 2026 at 12:42

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Setting

Where and When Does Once Upon a Time in Hong Kong Take Place?

The setting of Once Upon a Time in Hong Kong (2021): the year and time period, the places and locations, and how they shape the characters, the mood and the tension of the story.

Time period

1970s

The story unfolds in the 1970s, a period marked by pervasive police corruption and a rising Triad influence. It follows the birth of a new anti-corruption drive and the risks faced by those who choose to challenge the system.

Location

Hong Kong

Hong Kong serves as a crowded, fast-growing backdrop where corruption threads through police, government, and the underworld. The city's dense neighborhoods and shadowy networks create a high-stakes arena for reformists. The setting emphasizes the clash between entrenched power and the emerging anti-corruption effort.

  • 🏙️ Hong Kong
  • 🕰️ 1970s
  • 🕵️ Crime-ridden

Last updated: January 28, 2026 at 12:42

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3 major themes

Once Upon a Time in Hong Kong Meaning: Themes & Message Explained

What is Once Upon a Time in Hong Kong (2021) really about? The emotional, social and philosophical themes the film keeps returning to, its symbolism and the message beneath the surface.

  • Anti-corruption

    The core struggle centers on cleansing entrenched corruption within police and political structures. Hank Chan and Nash Pak spearhead ICAC’s first batch of investigators, targeting Ho and Chui Lok while navigating threats from the powerful.

  • Power & Wealth

    Wealth and bribery sustain a corrupt empire, allowing influence to silence critics and shield criminal networks. The tension between money and justice drives the protagonists’ choices and the antagonists’ retaliation.

  • Integrity under Pressure

    ICAC’s champions must endure personal risk and brutal retaliation while staying true to their mission. The film probes whether principled action can withstand the brutality of organized crime and systemic rot.

Last updated: January 28, 2026 at 12:42

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Character & theme questions

Once Upon a Time in Hong Kong Characters & Meaning: Your Questions Answered

The questions people ask about Once Upon a Time in Hong Kong (2021): who the characters really are, their relationships, what the symbols mean, where it takes place and what the movie is really about. Each answer contains spoilers.

Q1

What city and time period does the movie take place in?

The movie is set in Hong Kong during the 1970s, a period when the city was rapidly growing but plagued by widespread corruption that串 through police, government, and criminal underworld networks.

  • hong kong setting
  • 1970s hong kong
  • movie setting
  • location
Q2

What is ICAC and why was it created?

ICAC stands for Independent Commission Against Corruption, an agency established by the Governor of Hong Kong in 1973 to investigate and dismantle the alliance between corrupt police officers and criminal elements that had grown dangerously powerful.

  • icac
  • independent commission against corruption
  • anti-corruption agency
  • 1973
Q3

What is the main theme of the movie?

The core theme is anti-corruption, focusing on the struggle to cleanse entrenched corruption within police and political structures. The film follows Hank Chan and Nash Pak as they lead ICAC's first investigators against powerful corrupt figures.

  • anti-corruption theme
  • corruption movie
  • main theme
  • crime film
Q4

Who is Hank Chan in the movie?

Hank Chan is a principled lawyer portrayed by Louis Koo who despises corruption and believes in protecting citizens' rights. He reunites with his college classmate Nash Pak to join the newly formed ICAC and helps assemble the first team of investigators.

  • hank chan
  • louis koo
  • lawyer character
  • icac investigator
Q5

Who is Chui Lok and what is his role?

Chui Lok is a chief detective played by Francis Ng who has become a key pillar of the corruption empire, colluding with Triad leader Ho for over a decade. He is charismatic, ruthless, and wields significant power to threaten investigators while maintaining control over the city's underworld.

  • chui lok
  • francis ng
  • corrupt police
  • chief detective
  • triad
Q6

Who is Nash Pak?

Nash Pak is played by Gordon Lam and is Hank Chan's college classmate who returns from Britain. Impressed by Chan's integrity, he invites Chan to join the governor's ICAC initiative and helps recruit a talented team, representing pragmatic support for reform.

  • nash pak
  • gordon lam
  • icac recruiter
  • investigator team
Q7

Who is Crippled Ho?

Crippled Ho is a Triad leader and drug lord portrayed by Tony Leung Ka-Fai who has built a vast criminal empire. He collaborates closely with Chui Lok to entrench his wealth and influence while countering ICAC's investigative efforts.

  • crippled ho
  • tony leung
  • triad leader
  • drug lord
  • criminal empire
Q8

What role does power and wealth play in the movie?

Wealth and bribery sustain the corrupt empire, allowing influential figures to silence critics and shield criminal networks. The tension between money and justice drives both the protagonists' difficult choices and the antagonists' ruthless retaliation.

  • power and wealth
  • bribery
  • corruption
  • money vs justice
Q9

What does the theme of integrity under pressure mean in the film?

The film explores whether principled action can withstand the brutality of organized crime and systemic rot. ICAC's champions must endure personal risk and brutal retaliation while staying true to their mission of cleaning up Hong Kong.

  • integrity
  • moral courage
  • personal sacrifice
  • principled action
Q10

What was happening in Hong Kong in the 1970s?

The 1970s in Hong Kong was marked by pervasive police corruption and rising Triad influence. Citizens were being poisoned by dangerous alliances between corrupt officials and criminal elements, prompting the British government to establish ICAC as a reform initiative.

  • 1970s hong kong history
  • police corruption
  • triad influence
  • british hong kong

Movie threads

More Movies Like Once Upon a Time in Hong Kong, by Mood & Story

Curated lists built around what makes Once Upon a Time in Hong Kong tick: the same mood, the same kind of story or the same emotional payoff. Each list explains why these movies belong together.

Gritty crime thrillers about fighting corruption like Once Upon a Time in Hong Kong

Determined heroes take on a powerful, entrenched web of corrupt institutions. If you enjoyed the high-stakes battle against a corrupt system in Once Upon a Time in Hong Kong, you'll appreciate these movies. They feature determined investigators, tense action, and thrilling narratives about dismantling criminal conspiracies from within.

  • gritty
  • tense
  • high-stakes
  • determined
  • corrosive
  • courageous
  • Tone: tense, determined, gritty
  • Pacing: fast, relentless
Why these movies?

The story pattern: The narrative follows a clear, linear path: a grave injustice is exposed, leading to the formation of a dedicated force to combat it. The protagonists face escalating threats and retaliation as they methodically work to unravel the conspiracy, culminating in a decisive and cathartic confrontation that restores a sense of justice.

Why they belong together: These films are grouped by their shared focus on moral integrity clashing with institutional decay. They deliver a specific, intense experience defined by a fast pace, a tense tone, and the emotional weight of fighting for justice against overwhelming odds.

Fast-paced investigation thrillers similar to Once Upon a Time in Hong Kong

Fast-paced investigations where every clue uncovered raises the stakes. Fans of the urgent, procedural pace of Once Upon a Time in Hong Kong will find similar excitement here. These films feature rapid-fire plots, determined protagonists, and high-stakes scenarios where investigators race against time to prevent disaster.

  • tense
  • urgent
  • procedural
  • high-stakes
  • investigative
  • gritty
  • Tone: tense, urgent, gritty
  • Pacing: fast, linear, procedural
Why these movies?

The story pattern: The narrative is straightforward and propulsive, centered on the step-by-step process of an investigation. Each discovery leads directly to the next clue or confrontation, creating a chain reaction of events. The conflict is external and clear-cut, pitting the investigators against a well-defined antagonist, with little narrative digression.

Why they belong together: This group is defined by a shared narrative engine: a fast-paced, linear investigation into a major crime or conspiracy. The similarity comes from the consistent rhythm, straightforward complexity, and the tense, high-intensity atmosphere that keeps viewers on the edge of their seats.

Every angle

Once Upon a Time in Hong Kong (2021) Explained: Plot, Timeline & Characters

Everything about Once Upon a Time in Hong Kong in one place: what happens in the plot summary, the timeline in chronological order, the characters and meaning and a spoiler-free summary. What's After the Movie adds the cast, box office and post-credit scenes.

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