In 1970s New York, jaded record exec Richie Finestra tries to resurrect his failing label and fractured personal life while keeping his finger on the pulse of the city's new sound.

Atlantic City at the dawn of Prohibition is a place where the rules don't apply. And the man who runs things -- legally and otherwise -- is the town's treasurer, Enoch "Nucky" Thompson, who is equal parts politician and gangster.