The Departed (2006)
Videos: Trailers, Teasers, Featurettes
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.
The Departed streaming: where to watch online?
Currently you are able to watch "The Departed" streaming on Amazon Prime Video or rent it on Hungama Play online.