Infernal Affairs

The “Infernal Affairs” (無間道) film series is a Hong Kong crime drama trilogy that tells the story of two men living double lives: an undercover cop in the triads and a triad member who has infiltrated the police. In the first installment (2002), both try to uncover each other’s identity. The second part (2003) is a prequel showing how they infiltrated their respective organizations. The third part (2003) focuses on the psychological state of one of them after his boss’s death and other previous missions. The series is acclaimed for its intricate plot and strong performances and served as the inspiration for the film “The Departed.“