Connections
Followed by
Remade as
References
In both movies Tony Leung plays an undercover cop who infiltrates the mafia
Poster on wall
A poster for this film can be seen in the middle of the movie.
A poster for this film can be seen in the middle of the movie.
Referenced in
several characters refer to the movie
mentioned in dialogue
mentioned once
A character mentions this film several times.
Featured in
Analysis of this film by the staff
Spoofed in
The film is a spoof of Infernal Affairs, even the same actors are used.
The way the Morse code is used in "Mou gaan dou" (transmitted by tapping a finger) is spoofed in "McDull, the Alumni" (transmitted by shaking spectacles).