In early-1970s Las Vegas, low-level mobster Sam "Ace" Rothstein gets tapped by his bosses to head the Tangiers Casino. At first, he's a great success in the job, but over the years, problems with his loose-cannon enforcer Nicky Santoro, his ex-hustler wife Ginger, her con-artist ex Lester Diamond and a handful of corrupt politicians put Sam in ever-increasing danger.
Set in the Bronx during the tumultuous 1960s, an adolescent boy is torn between his honest, working-class father and a violent yet charismatic crime boss. Complicating matters is the youngster's growing attraction - forbidden in his neighborhood - for a beautiful black girl.