Two of New York City's most notorious organized crime bosses vie for control of the city's streets. Once best friends, petty jealousies and a series of betrayals set them on a deadly collision course.
Italian-American crime bosses Vito Genovese and Frank Costello run their respective families during the 20th century. In 1957, Genovese moves to assassinate Costello.
A power struggle between Vito Genovese and Frank Costello, the top bosses of the Mafia, spills into open conflict when Vito orders a hit on Frank. Barely surviving, Frank maneuvers to protect himself and his family from Vito while also planning to retire from the Mafia.