After the brazen robbery of one of his Ward Bosses, Nucky turns up the heat on Lucky Luciano. An emboldened Margaret stands up to Lucy. In Chicago, Al Capone's frustration over family issues spills over into his relationship with Jimmy, who scores points with Johnny Torrio for a bold power play involving Charlie Sheridan and the neighborhood of Greektown.

While visiting Chicago during the Republican National Convention, Nucky gets some alarming news from Atlantic City.