In this classic film, the talents of Leonardo Dicaprio, Mark Wahlberg, and Matt Damon all come together, with Jack Nicholson. Set in Boston, a cop goes undercover to infiltrate a gang and take them down. At the same time, however, there’s a mole in the police department, reporting on the undercover cop. What will happen when each organization finds out about the moles? (Hint: It’s not good). Available on Netflix.