The Departed(2017)

The Departed is a crime thriller that follows an undercover cop and an undercover criminal as they hunt each other through the streets of Boston. Colin Sullivan, a state police officer, secretly works for Irish mobster Frank Costello, while Colin Shaughnessy, a criminal embedded in the police department, feeds intelligence to his handlers. When both sides realize moles exist within their ranks, a deadly cat-and-mouse game unfolds. The film explores themes of identity and loyalty as the two men—mirror images of each other—close in on exposure. Directed by Martin Scorsese, The Departed delivers explosive action and moral ambiguity, anchored by strong performances from its ensemble cast. Set against Boston's gritty landscape, it's a taut, violent examination of corruption that blurs the line between law enforcement and organized crime.