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A story between a mole in the police department and an undercover cop. Their objectives are the same: to find out who is the mole, and who is the cop.

Directors:

Andrew Lau, Alan Mak

Writers:

Alan Mak, Felix Chong
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Popularity
3,768 ( 1,569)
24 wins & 26 nominations. See more awards »

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Cast

Cast overview, first billed only:
Andy Lau ... Inspector Lau Kin Ming
Tony Chiu-Wai Leung ... Chen Wing Yan (as Tony Leung)
Anthony Chau-Sang Wong ... SP Wong Chi Shing (as Anthony Wong)
Eric Tsang ... Hon Sam
Kelly Chen ... Dr. Lee Sum Yee
Sammi Cheng ... Mary
Edison Chen ... Young Lau Kin Ming
Shawn Yue ... Young Chan Wing Yan
Elva Hsiao ... May
Chapman To ... Tsui Wai-keung
Ka Tung Lam ... Inspector B (as Lam Ka Tung)
Ting Yip Ng ... Inspector Cheung (as Ng Ting Yip)
Dion Lam ... Del Piero
Chi Keung Wan Chi Keung Wan ... Officer Leung (as Wan Chi Keung)
Hui Kam Fung Hui Kam Fung ... Cadet School Principal
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Storyline

Chan Wing Yan, a young police officer, has been sent undercover as a mole in the local mafia. Lau Kin Ming, a young mafia member, infiltrates the police force. Years later, their older counterparts, Chen Wing Yan and Inspector Lau Kin Ming, respectively, race against time to expose the mole within their midst. Written by Aya

Plot Summary | Plot Synopsis

Taglines:

Loyalty. Honor. Betrayal. See more »


Certificate:

PG | See all certifications »

Parents Guide:

View content advisory »
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Did You Know?

Trivia

According to Ka Tung Lam, who was asked whether Andy Lau had anything learnable to him which few people knew in a TVB interview, Lau deleted many scenes in which he himself appeared so as to balance every cast's screentime. See more »

Goofs

Changes in the time on the clock in the living room when the cop is listening to the CD that's been dropped off for him. See more »

Quotes

Lau Kin Ming: Do all undercover cops like rooftops?
Chan Wing Yan: Unlike you, I'm not afraid of light.
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Alternate Versions

For the Chinese version an alternate ("politically correct") ending was used. In it, Lau gets arrested when he leaves the elevator. See more »

Connections

Edited into Mou gaan dou III: Jung gik mou gaan (2003) See more »

Soundtracks

The Forgotten Time
Composed by Chen Hong Ming
Lyrics by Chen Hong Ming
Performed by Tsai Chin
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User Reviews

 
Hong Kong does "Michael Mann"!
5 April 2005 | by OttoVonBSee all my reviews

Most western viewers will only know the Asian crime scene from the bleak and lyrical canvas of Takeshi Kitano's work. Here we get something that at first seems far more westernized and very close to the work of one Michael Mann. Okay, enough allusions: yes "Heat" comes heavily to mind at first. but this is no simple "Heat" in Hong Kong. This a splicing of everything Asians do best in a moody, stylish tension-based thriller. From the beautiful cinematography(reminiscent of Wong Kar-Way's films)- step forward visual consultant Christopher Doyle! - and music to the graceful ying-yang undertones (mirror-images are a key theme), the film's most heroic achievement lies in its leads and in the bold ending.

Hearing that this is being considered for a remake stateside comes as no big surprise, but how Matt Damon and Leonardo DiCaprio could possibly compete against Andy Lau and Tony Leung evokes cynicism at best. Both leads are perfect. Lau's cold calculating intellect against Leung's anguished and tormented heart, complimentary opposites. There aren't enough words to commend this fresh, invigorating film with...


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Frequently Asked Questions

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Details

Country:

Hong Kong

Language:

Cantonese | English | Thai

Release Date:

12 December 2002 (Hong Kong) See more »

Also Known As:

Affaires internes See more »

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Box Office

Budget:

$6,428,966 (estimated)

Opening Weekend USA:

$25,680, 26 September 2004

Gross USA:

$169,659

Cumulative Worldwide Gross:

$8,836,958
See more on IMDbPro »

Company Credits

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Technical Specs

Runtime:

| (director's cut)

Sound Mix:

Dolby Digital

Aspect Ratio:

2.35 : 1
See full technical specs »

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