The most notorious power struggles in the history of organized crime as Vito Genovese and Frank Costello—two of the most powerful mafia bosses in America—battle for control of New York's underground. Starting with Frank Costello's glamorous rise as a “gentleman gangster” who transformed the Luciano family into a multi-million-dollar empire, this story takes a dark turn as his old ally Vito Genovese returns from exile with ruthless ambitions of his own.