Infernal Affairs
An undercover cop spends ten years infiltrating one of Hong Kong's most notorious Triad gangs, while a bent cop works as a mole for the gang. Each knows the other exists but neither their name or identity, and the race is on for each to expose the other. The explosive thriller sees the two pursuing each other's identity until the final confrontation.
Starring
Tony Leung Chiu-Wai, Andy Lau, Anthony Wong Yiu-Ming
Director
Andrew Lau Wai-Keung, Alan Mak