Billy, a recent orphan and South Boston police officer graduate is requested by his boss to go undercover to infiltrate the Irish mobster, Frank. As Billy is gaining Frank's trust, Colin, the youth Frank raised to be his mole, has been hired to work inside the same precinct to infiltrate the police department and reports on its activities back to Frank. Meanwhile, each rookie is in a relationship with the same police appointed psychiatrist. When both Frank and the police learn they have a mole, Billy and Colin must identify each other and then find out if one of them remains alive.
Cast : Leonardo DiCaprio, Matt Damon, Jack Nicholson, Vera Farmiga, Mark Wahlberg, Martin Sheen
Writer : William Monahan (screenplay), Alan Mak, Felix Chong
Language : English, Cantonese