Philadelphia gangsters may prove to be important middlemen for rival factions to get booze into-and out of-Atlantic City. Meanwhile, Nucky's lawyer hatches an idea to expand the scope of his election-fraud case; Owen's munitions experience comes in handy for Nucky; Chalky still feels like a prisoner even though he's out of jail; and Gillian takes advantage of the Commodore's vulnerability while recalling the night they met.