Eli confronts Nucky after Willie makes an unpopular decision; Margaret has a surprise encounter; Joe Masseria orders Lucky Luciano to return to Tampa; Roy Phillips helps Gillian; Al Capone tries to get Johnny Torrio to turn on a rival gangster.
Nucky heads to Tampa to work out details of his land deal with Bill McCoy; Richard Harrow returns to Atlantic City; Agent Knox tries to gain Eli’s trust; Chalky takes out his frustrations on Daughter Maitland.
Nucky gets to know Arnold Rothstein over a card game; Eddie is detoured after making a delivery; Al and Frank Capone finish a collector’s route; Agent Knox vows to exploit Nucky’s weakest link; Willie and his roommate take a practical joke too far.
Van Alden is ordered to keep tabs on Al Capone; Dr. Valentin Narcisse clashes with Chalky and Nucky; Agent Knox aligns himself with J. Edgar Hoover; Harrow fails to finish a job; Eddie demands a promotion; Nucky leaves for Florida.
Nucky makes a peace offering to Joe Masseria; Federal Agent Warren Knox arrives in Atlantic City; Gillian seeks custody of her grandson; Eli’s son turns to Nucky for advice; Al Capone plans to expand his Chicago business.