The Departed
The Departed is a 2006 American crime thriller film directed by Martin Scorsese and written by William Monahan. It is both an English-language remake of the 2002 Hong Kong film Infernal Affairs and also loosely based on the real-life Boston Winter Hill Gang; the character Colin Sullivan is based on the corrupt Federal Bureau of Investigation (FBI) agent John Connolly, while the character Frank Costello is based on Irish-American gangster and crime boss Whitey Bulger. The film stars Leonardo DiCaprio, Matt Damon, Jack Nicholson, and Mark Wahlberg, with Martin Sheen, Ray Winstone, Vera Farmiga, Alec Baldwin, Anthony Anderson and James Badge Dale in supporting roles.
Plot
In the 1980s in Boston, Irish Mob boss Frank Costello introduces himself to a young Colin Sullivan. Many years later, Sullivan has been groomed as a spy inside the Massachusetts State Police (MSP) and joins the Special Investigation Unit (SIU). Another police academy recruit, Billy Costigan, is selected by Captain Queenan and Sergeant Dignam to go undercover as a criminal and infiltrate Costello's crew.