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.
Chalky returns to Atlantic City; Nucky arranges a meeting with Maranzano; Eli's reunion with June takes an unexpected turn; Capone considers relocating his operation; Margaret completes a deal with Carolyn Rothstein; Nucky gets bad news from Cuba.
Chalky encounters Narcisse in Harlem; federal agents enlist the help of Eli and Van Alden to take down the Capone organization; Nucky is pained by a recent loss; in 1897, Nucky vents his frustration and roots out a young thief.
Nucky tries to hold onto his assets in Atlantic City; Willie and Eli become involved in Nucky's war; Maranzano meets his fate; Nucky reads a letter from Gillian; in 1897, Mabel and Nucky argue.
Nucky plans to relocate to Manhattan; Margaret impresses Nucky and a grain company stockholder; Luciano tends to unfinished business; William shares underworld details with his boss; Nucky visits Gillian; in 1897, Nucky copes with a family crisis.
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 has reservations about an investment; Valentin Narcisse books a jazz singer to perform at the Onyx; Willie attempts to elevate his social standing at college; Gillian agrees to pose as Roy Phillips' wife; Harrow tries to bury his past.
Nucky heads to Philadelphia; Agent Knox detains Eddie Kessler to obtain information about Nucky's organization; Gillian tries to score a fix; Van Alden is recruited by the Capones.
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.
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's shipment from Florida contains unexpected cargo; Agent Knox uncovers new information on the Thompsons; Willie reconsiders his recent life choices; Chalky challenges Valentin Narcisse.
Nucky refuses to back Chalky in a conflict; Gillian makes her custody case in court; Van Alden stands up to Capone and comes clean to O'Banion; Rothstein tries to make a trade.
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.
A warning prompts Nucky to take inventory; Chalky and daughter take refuge with his former mentor; Gillian considers starting a new life with Roy Phillips.
Agent Knox launches his plan targeting Nucky; Capone and Torrio reach an agreement; Chalky looks to settle scores; Richard steps forward to save Tommy.
Nucky makes a resolution; Margaret considers a hospital expansion; Gillian builds a new business; Van Alden stumbles onto a confrontation.
Nucky mixes business with pleasure in New York; Margaret's altruism is met with resistance; Gyp tries to establish a strategic foothold; Chalky and his daughter disagree about her future; Eli gets a new boss.
Nucky reluctantly joins Margaret to receive a high honor from the church; Gyp makes a one-time deal with Nucky; Van Alden regrets trying to socialize; Margaret pitches her women's clinic; Lucky and Meyer protect their investments.
Nucky and Owen hide out; Mickey makes a critical decision in Nucky's absence; tensions rise in the feud between Capone and O'Banion.
Rothstein vents to Nucky and delivers a message to Gyp; Gaston Means sees an opportunity; Billie gets a new co-star; Van Alden and Sigrid receive an unexpected visitor; Gillian worries about her business.
Nucky is detained in Washington; Margaret copes with Teddy's demons; Owen investigates a suspicious fire; Richard makes a connection with a veteran and his daughter.
Eli hopes to get back in Nucky's good graces; Gillian tries to improve her future; Gyp asks for a blessing in New York.
Gillian makes her peace with Jimmy's death; Van Alden attends a meeting with Capone and Torrio; Nucky makes an offer to Andrew Mellon; Margaret makes a stand on birth control; Nucky and Owen shop for a pony; Billie considers a future in film.
Nucky vows to eliminate his nemesis; a high-profile bootlegger is arrested; Emily's birthday party is scaled down; Gillian blames Harrow for Tommy's trouble; Gyp decides to buy a town's silence.
Nucky tries to keep Jess Smith quiet and neutralize Gyp's alliance with Joe Masseria; Margaret considers an alternate future; Van Alden's side business backfires; Gyp's shipment is short; Chalky sees an opportunity.
Nucky makes a deal with Rothstein; Harrow returns to Gillian's brothel; Luciano must take on a new partner after being arrested; Chalky and Capone take on Masseria's men; Margaret decides to end one relationship and resume another.
Nucky is shocked by an insurrection among his inner circle; an attack threatens Chalky's life and livelihood; Margaret deals with her son's problems; Angela vies for Jimmy's affection; Van Alden shows his wife around town.
Nucky contemplates betrayal in his inner circle; Margaret tries to help Nucky avoid trouble; Chalky is badgered in prison; Owen Sleater scouts the Thompson residence.
Nucky calls in a favor; Owen Sleater intervenes on a delivery intended for a struggling casino operator; dinner guests clash at Babette's; Lucy frets about her loneliness.
Nucky considers a risky legal maneuver; Jimmy and Mickey head to Philadelphia; Eli worries about the Commodore's ability to lead; Chalky is cornered at work and at home; Van Alden's agents target Mickey's warehouse; Richard lets down his guard.
Nucky introduces a surprise guest speaker at a dedication for war veterans; Eli questions his allegiances; Nucky gets a new lawyer; Jimmy learns a lesson; Richard goes hunting.
Nucky arranges a risky liquor delivery; complications arise in Nucky's federal case; Jimmy finds a new mentor; Margaret makes a confession; Lucy struggles in solitude; Van Alden wrestles with his conscience.
Jimmy faces a decision with long-term consequences; Margaret has a family reunion; a new prosecutor; Owen settles a score.
Nucky solicits advice; Eli is suspicious of his brother; Angela makes a new friend; Jimmy flexes his muscles at Mickey Doyle's expense.
Nucky barters in Ireland; Jimmy brokers a deal with George Remus; Emily's illness takes a turn for the worse; Halloran is questioned about Nucky's past.
Nucky prepares Margaret for a worst-case scenario; Jimmy revisits his college days; Mickey Doyle must share his liquor profits; Nelson's past comes back to haunt him.
Jimmy hopes to make amends with Nucky; Margaret considers a life-changing decision; Manny admits to murdering Angela.
Atlantic City's treasurer condemns alcohol; a housewife approaches Nucky about getting her husband a job; Nucky tells his ward bosses about the opportunity to profit from selling bootleg liquor; Jimmy makes an alliance.
Agent Nelson Van Alden visits Nucky; Nucky discusses the upcoming election with his aging mentor; Margaret Schroeder seeks help in providing for her children; a traveling salesman makes a startling discovery.
Jimmy's future is clouded by a witness to the woods massacre; Margaret gets a new job; Chalky's team pays a big price for his success.
Jimmy forms new relationships in Chicago; Nucky celebrates a U.S. Senator; Chalky identifies a lynching suspect; Margaret and Lucy clash.
Nucky investigates a boardwalk theft; Jimmy scores points with Johnny Torrio; Margaret stands up to Lucy.
Nucky purges some bad childhood memories; Jimmy forges a new alliance with a veteran; Luciano and a friend cut a deal with the D'Alessio brothers.
While visiting Chicago for the Republican National Convention, Nucky gets some alarming news from Atlantic City.
Nucky prepares for war with a rival faction; Jimmy stands by his alibi; Margaret helps Madame Jeunet.
Nucky asks Margaret to toe the party line; Angela witnesses Jimmy's violent side; Capone faces a crossroads; Van Alden struggles with his emotions.
Nucky shakes up the status quo; Jimmy deals with family issues; Van Alden addresses Agent Sebso's temptations.
Atlantic City braces for change on election day; Torrio brokers a deal between two nemeses; Jimmy, Margaret, Van Alden and Eli think about their futures.