English Version The Departed (2006)

Cantonese Version Internal Affairs (2002)

Infernal Affairs is a 2002 Hong Kong crime-thriller film directed by Andrew Lau and Alan Mak. It tells the story of a police officer who infiltrates the Triads, and a police officer secretly working for the same gang. Due to its commercial and critical success, Infernal Affairs was followed by a prequel, Infernal Affairs II, and a sequel, Infernal Affairs III, both released in 2003.

I suggest watch the original movie in Asia…Its cult status in Asia is like the God Father in the Western world…Amazing…………..