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.
Nucky reminisces about catching the Commodore's eye; Nucky joins Sally Wheet in Cuba; Margaret finds herself in the hot seat; Chalky tries to extricate himself from a difficult situation; Lucky Luciano sets a bold plan in motion.
Nucky pays a visit to Johnny Torrio; Eli and Van Alden must recoup money lost during a federal raid by Eliot Ness; Willie has a job interview; in 1884, young Nucky deals with the death of his sister.
Chalky heads in a new direction; Margaret finds herself in a quandary; Nucky hosts a prospective partner from Boston; Luciano and Siegel meet with Narcisse in Harlem; in 1884, young Nucky flirts with a girl.
Nucky and Margaret find common ground in Atlantic City; Luciano encounters an old adversary; Sally Wheet makes a payment in Cuba; in 1884, young Nucky moves up the Commodore's ladder.
Chalky returns to Atlantic City; Nucky arranges a meeting with Maranzano; Eli reunites with June.
Federal agents enlist the help of Eli and Van Alden to take down the Capone organization.
Nucky tries to hold onto his assets in Atlantic City; Willie and Eli become involved in Nucky's war.
Nucky plans to relocate to Manhattan; Margaret impresses Nucky and a grain company stockholder.