Nucky enlists Eli and Agent Knox to check the cargo in the Florida shipments; Margaret considers making a deal with Rothstein; Capone grows suspicious of Torrio; Nucky faces a dilemma.

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.