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Long de xin (1985)

Story of a cop who forsakes his dreams of sailing around the world so that he can care for his mentally disabled brother. Innocently caught up in a gangland fight, the brother is kidnapped ... See full summary »


Barry Wong

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Cast overview, first billed only:
Jackie Chan ... Ted / Tat Fung
Sammo Kam-Bo Hung ... Danny / Dodo Fung (as Samo Hung)
Emily Chu ... Jenny
Hoi Mang ... Yan / Ian (as Man Hei)
Ching-Ying Lam ... SWAT Team Commander (as Lam Ching Ying)
Lung Chan ... SWAT Team Member
Wah Yuen ... SWAT Team Member / Yan
Kar Lok Chin ... SWAT Team Member / Log (as Ka Lok)
Corey Yuen ... SWAT Team Member (as Yuen Kwai)
Melvin Wong ... Inspector Wong
Ying-Fat Lam Ying-Fat Lam ... Edmond Pang / Pang Kwok Hwa (as Lam Ying Fat)
Ka-Ho Lee Ka-Ho Lee ... Kid / Heung Chi Ming (as Lee Ka Ho)
Dennis Chan ... Waiter
Wing-Cho Yip ... Restaurant Manager (as Ip Wing Cho)
Anthony Chan ... Private Teacher


Story of a cop who forsakes his dreams of sailing around the world so that he can care for his mentally disabled brother. Innocently caught up in a gangland fight, the brother is kidnapped to force the cop to turn over a police informant. Written by Towne 3, San Jose, Ca

Plot Summary | Add Synopsis


Warrior, Brother, Protector, Friend

Motion Picture Rating (MPAA)

Rated R for violence | See all certifications »

Parents Guide:

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Hong Kong



Release Date:

16 October 1985 (Hong Kong) See more »

Also Known As:

Heart of the Dragon See more »

Filming Locations:

Hong Kong, China

Company Credits

Show more on IMDbPro »

Technical Specs

Sound Mix:




Aspect Ratio:

1.85 : 1
See full technical specs »

Did You Know?


Jackie Chan sings the theme song in Japan-language. See more »

Alternate Versions

Japanese version has two extra fight scenes, alternate soundtrack featuring Jackie Chan and an out take reel during the end credits. See more »


Referenced in Rain Man (1988) See more »


Sui Hoh Seung Yi (Who Could Be Dependent)
Music by Man Yee Lam
Lyrics by Yuen-Leung Poon
Performed by Noi So
See more »

Frequently Asked Questions

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User Reviews

The Two Musketeers...
23 December 2007 | by GuardiaSee all my reviews

"Long de xin" has Jackie's character (Tat) on the CID (Criminal Investigation Department). This is no "Police Story" though, and Chan is portrayed as just another member of the squad. His main occupation though, is looking after his mentally-disabled brother (Dodo, or Do-do), played decently by Sammo himself. Tat is constantly being called away to help out his brother, and the crime-fighting scenes in the film take a long time to develop.

This film has all of the ingredients that I look for, but it failed to impress me as much as it might have. First of all, Sammo direction is usually brilliant and progressive, in this film however, it seems that most of his creative energy went on his character-acting - and I must say, the scene about Jackie's leaving is particularly impressive. This moment, with it's heart-wrenching display of frustration, anger, and love is as memorable as any of the fight scenes in the film. Chan here is a brilliant dramatic actor, and it took Sammo to get it out of him I suppose.

Yuen Biao, as action-director, does a great job. And the final fight scene is particularly brutal and snappy. But, I can't help but wonder how much better this film may have been if Biao was given an on-screen part - I can see many that may have suited in retrospect.

The film does it's best to balance the drama and action, but I think this is it's main area of failure. There are none of those clever edits that Sammo is usually known for that make for brilliant transitions between contrasting scenes. Here, we sit through some repetitive and redundant scenes that (yet again) display Dodo's vulnerability as much as common man's inhumanity. (Actually, I was just realising how much trouble the children cause for Sammo - even his closest friends are doomed to hurt him). The first few times are good, the rest were trying.

This is a film that is worth watching for some great highlights, but it's not a film that I can imagine enjoying start-to-end, over and over like so many other of Sammo's directorial gems. Sammo and Chan's dramatic acting are the real winners in this film.

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