Stunningly dark, hugely intelligent and thoroughly addictive, Ghostman announces the arrival of an exciting and highly distinctive novelist. When a casino robbery in Atlantic City goes horribly awry, the man who orchestrated it is obliged to call in a favor from someone who's occasionally called Jack. While it's doubtful that anyone knows his actual name or anything at all about his true identity, or even if he's still alive, he's in his mid-thirties...

Atlantic City, 1921. In a city whose fortunes have soared in the wake of Prohibition, Nucky Thompson is paying a steep price for wielding ultimate power in 'the world's playground'. Though the 1920 election is over, Nucky finds himself the target of a federal investigation for vote tampering, and an insurrection by those he counted among his closest allies.

Atlantic City, February 1924: Picking up 8 months after the events of Season 3, Nucky Thompson is laying low at the end of the Boardwalk after barely surviving an overthrow by gangster Gyp Rosetti. But the calm will be short-lived, as Nucky faces new challenges, including a clash with a violent Harlem power broker, a battle with his brother Eli over Eli's college-age son, and the irresistible lure of lucrative- and perilous- opportunities in Florida....