Affaires internes was released in the year 2002。Affaires internes is also called as Miu gaan diy, Conflitos Internos, P&#24, Mugendô, Juego sucio, Infernal Affairs - Die achte Hölle, Asuntos infernales, Infernal Affairs。

Shawn Yue plays a young police officer who has been sent undercover as a mole in the local mafia. Edison Chen plays a young mafia member who is infiltrating the police force. Years later, their older counterparts, Tony Leung and Andy Lau respectively, race against time to expose the mole within their midsts and destroy him.

Affaires internes actors and actresses include Andy Lau, Tony Leung Chiu Wai。