A cop goes undercover in an Irish gang, and a mole within the gang tries to identify who the undercover cop is. It becomes a race to identify each other and to kill each other.
Currently you can only stream The Departed with a Prime Video subscription. The movie was previously on Netflix but has since been removed, we'll update this page if we find more streaming options.
If you don't have a Prime Video subscription then you can still buy or rent The Departed to watch online with a few different digital platforms including Redbox, Prime Video, VUDU, Google Play Movies, FandangoNOW and iTunes. It'll cost you as little as $3.99 to rent the movie and $6.99 to buy the movie.