The Departed (2006)

To take down South Boston's Irish Mafia, the police send in one of their own to infiltrate the underworld, not realizing the syndicate has done likewise. While an undercover cop curries favor with the mob kingpin, a career criminal rises through the police ranks. But both sides soon discover there's a mole among them.

Genres: Drama, Thriller, Crime

What to watch after The Departed

• GoodFellas (1990) — Same subject: gangster, irish-american
• Shutter Island (2010) — Martin Scorsese directed both
• American Gangster (2007) — Same subject: gangster, organized crime
• The Bourne Ultimatum (2007)
• The Wolf of Wall Street (2013) — Martin Scorsese directed both
• Sin City (2005)