"The Traitor" is a 2019 Italian film directed by Marco Bellocchio. It tells the true story of Tommaso Buscetta, a Sicilian mafia member who becomes a key witness against the Cosa Nostra. The film explores themes of betrayal, justice, and the complexities of organized crime. Set in the 1980s, the narrative follows Buscetta as he navigates the dangerous world of the mafia and ultimately decides to cooperate with the authorities. His testimony leads to significant legal actions against powerful mafia figures, highlighting the impact of his choices on both his life and the fight against organized crime in Italy.