GoodFellas (1990)

Henry Hill, a young boy from a predominantly Italian neighborhood, idolizes the local Mafia gangsters and joins their ranks. He forms close ties with his mob partners Jimmy Conway and Tommy DeVito, but as they engage in more dangerous activities, Henry's marriage deteriorates and he becomes involved in drug dealing. When things spiral out of control, Henry decides to become an informant for the FBI and enters the Witness Protection Program. Ultimately, his criminal associates are imprisoned, and he is left to live a new, ordinary life.