January 1920. On the eve of Prohibition, Nucky Thompson, Atlantic City's Treasurer, condemns alcohol at a Women's Temperance League meeting. Later that night, the duplicitous Nucky tells his ward bosses about the opportunity to make huge profits selling bootleg liquor.

Agent Van Alden investigates a crime he feels has been pinned on a scapegoat, convinced the Treasurer is as corrupt as the day is long. In Chicago, Al Capone shows a reporter what he thinks about Johnny Torrio being involved in the killing of mobster "Big Jim" Colosimo.

As a witness threatens to expose the partakers in the woods massacre, Nucky, Van Alden, and Rothstein take special interest in a hospital patient who may know something about the massacre. Chalky's take over of Mickey Doyle's bootleg business gets off to a rough start.

In Chicago, Jimmy bonds with one of Johnny Torrio's prostitutes and finds himself increasingly at odds with the hot-headed Al Capone. Back in Atlantic City, Nucky looks to leverage his relationship with U.S. Senator Walter Edge, as well as Jersey City Mayor Frank Hague.

Nucky deals with his jealous brother's oratory ambitions. Feeling ignored, a frustrated Margaret feeds Van Alden information. Arnold Rothstein worries about his involvement in the fixed World Series. Jimmy copes with a vicious attack orchestrated by Charlie Sheridan.

Nucky turns up the heat on Lucky Luciano after one of his ward bosses is robbed. 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.

After his father in injured, Nucky uses the opportunity to refurbish his childhood home. Jimmy befriends disfigured vet Richard Harrow, whose sharp eye may prove invaluable. Van Alden gets a lead on the woods massacre. Luciano and a buddy cut a deal with the D'Alessios.

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

Nucky braces for war with a rival faction; Jimmy stands by his alibi; Margaret helps out Madame Jeunet.

Nucky asks Margaret to toe the party line; Angela witnesses Jimmy's violent side; Capone faces a crossroads; Van Alden grapples with his emotions.

Nucky shakes up the status quo; Jimmy deals with some tricky family issues; Van Alden addresses Agent Sebso's "temptations".

Nucky and Atlantic City brace for change on Election Day. Torrio brokers a deal between two nemeses, with far-reaching consequences. Jimmy ponders his future, as do Margaret, Agent Van Alden and Eli.

E1 • Golden Days For Boys And Girls

Nucky recalls his Atlantic City roots and plots a post-Prohibition future in 1931 Cuba. Margaret finds herself in the hot seat on Wall Street when her boss decides his own future. Lucky Luciano sets in motion a plan; one that reverberates with Nucky all the way in Cuba.

55m • 2014

Nucky recalls his Atlantic City roots and plots a post-Prohibition future in 1931 Cuba. Margaret finds herself in the hot seat on Wall Street when her boss decides his own future. Lucky Luciano sets in motion a plan; one that reverberates with Nucky all the way in Cuba.

E2 • The Good Listener

Back from Cuba, Nucky meets with "Boss of Bosses" Salvatore Maranzano, sending a message to Lansky and Luciano. In Chicago, Eli and Van Alden are tasked by Al Capone's top man to recoup money lost during a federal raid. Fresh out of law school, Willie has an interview.

53m • 2014

Back from Cuba, Nucky meets with "Boss of Bosses" Salvatore Maranzano, sending a message to Lansky and Luciano. In Chicago, Eli and Van Alden are tasked by Al Capone's top man to recoup money lost during a federal raid. Fresh out of law school, Willie has an interview.

E3 • What Jesus Said

Margaret faces a dilemma at the bank as a result of her association with Arnold Rothstein, while Nucky entertains a prospective business partner from Boston. Luciano and Siegel meet with Narcisse in Harlem, but encounter resistance after promising business as usual.

51m • 2014

Margaret faces a dilemma at the bank as a result of her association with Arnold Rothstein, while Nucky entertains a prospective business partner from Boston. Luciano and Siegel meet with Narcisse in Harlem, but encounter resistance after promising business as usual.

E4 • Cuanto

Nucky and Margaret find common ground in Atlantic City when they face a shared dilemma, while Lucky Luciano meets Al Capone in Chicago and encounters an old adversary. Elsewhere, Sally Wheet makes a payment in Cuba as she grows fearful of a grass-roots uprising.

56m • 2014

Nucky and Margaret find common ground in Atlantic City when they face a shared dilemma, while Lucky Luciano meets Al Capone in Chicago and encounters an old adversary. Elsewhere, Sally Wheet makes a payment in Cuba as she grows fearful of a grass-roots uprising.

E5 • King Of Norway

Chalky returns to Atlantic City with vengeance on his mind. Nucky arranges a meeting with Maranzano to discuss the Luciano threat. Eli's reunion with June takes an unexpected turn after a dinner party. Capone looks to relocate his operation. Bad news arrives from Cuba.

52m • 2014

Chalky returns to Atlantic City with vengeance on his mind. Nucky arranges a meeting with Maranzano to discuss the Luciano threat. Eli's reunion with June takes an unexpected turn after a dinner party. Capone looks to relocate his operation. Bad news arrives from Cuba.

E6 • Devil You Know

In Harlem, Chalky encounters Narcisse in hopes of setting Daughter Maitland free. Federal Agents enlist Eli and Van Alden to help take down the Capone organisation. Pained by a recent loss, Nucky turns to the bottle, and the company of a pair of barflies.

55m • 2014

In Harlem, Chalky encounters Narcisse in hopes of setting Daughter Maitland free. Federal Agents enlist Eli and Van Alden to help take down the Capone organisation. Pained by a recent loss, Nucky turns to the bottle, and the company of a pair of barflies.

E7 • Friendless Child

Nucky, at war with Luciano, looks to hold onto his assets in Atlantic City. Willie and Eli become involved in Nucky's war. Maranzano meets his fate. Nucky reads Gillian's letter from the hospital.

55m • 2014

Nucky, at war with Luciano, looks to hold onto his assets in Atlantic City. Willie and Eli become involved in Nucky's war. Maranzano meets his fate. Nucky reads Gillian's letter from the hospital.

E8 • Eldorado

Nucky looks to relocate to Manhattan from Atlantic City. Margaret impresses Nucky and a grain-company stockholder. Luciano tends to unfinished business while establishing a mob commission. William shares underworld details with his boss, the U.S. Attorney.

57m • 2014

Nucky looks to relocate to Manhattan from Atlantic City. Margaret impresses Nucky and a grain-company stockholder. Luciano tends to unfinished business while establishing a mob commission. William shares underworld details with his boss, the U.S. Attorney.

Having survived his battle with Gyp Rosetti, Nucky makes a peace offering to Joe Masseria while working the odds with Arnold Rothstein. Chalky prepares to open the Onyx Club on the Boardwalk, and a new prohibition agent, Warren Knox, arrives in Atlantic City.

Following Dean O'Banion's orders, Van Alden muscles for Al Capone. Harlem gangster Dr. Valentin Narcisse arrives in Atlantic City, clashing with Chalky and Nucky over the loss of an employee. In Washington, Agent Knox aligns himself with J. Edgar Hoover.

Nucky has reservations about investing in a Tampa land deal engineered by transplanted bootlegger Bill McCoy. Valentin Narcisse makes his mark at the Onyx Club, and Richard Harrow tries to bury his past, though not before dealing with some unfinished business with Emma.

Nucky gets to know Arnold Rothstein over a card game and sizes up an unexpected partner for his Tampa deal. Al and Frank Capone enlist Van Alden to tag along on one of their "collections". Knox fills Hoover in on the Thompson op, vowing to exploit Nucky's weakest link.

Nucky heads to Philadelphia to deal with the fallout from Willie's liquor fiasco. Eddie Kessler is detained by Agent Knox, who uses physical and psychological tactics to elicit information. Van Alden is recruited by the Capones to pay a visit to local factory workers.

Nucky heads to Tampa to work out details of his land deal with Bill McCoy. Richard Harrow returns to Atlantic City and makes a confession to an ailing Paul Sagorsky. Having lost J. Edgar Hoover's confidence, Agent Knox finds a new way to gain Eli's trust.

Eli confronts Nucky after Willie makes an unpopular decision. Joe Masseria orders Lucky Luciano to deal with Vincenzo Petrucelli. Al Capone tries to get Johnny Torrio to turn on Dean O'Banion while Valentin Narcisse exerts control over Dunn Purnsley and the Northside.

Nucky's shipment from Florida arrives with some unexpected cargo. Eli is backed into a corner after Agent Knox uncovers some new dirt on the Thompsons. Chalky throws down the gauntlet toward Valentin Narcisse, upholding his leadership on the Northside.

Nucky refuses to back Chalky in his conflict with Narcisse. Julia ponders her options after Gillian makes her custody case in court. In Cicero, Van Alden stands up to Capone and comes clean to O'Banion. Rothstein looks to trade an insurance benefit for a cash infusion.

Tipped off by Sally Wheet, Nucky enlists Eli and Agent Knox to check out extra cargo in Florida shipments. Margaret considers making a deal with Rothstein to improve her family's living conditions. Capone grows suspicious of Torrio, and Eli makes peace with Willie.

Nucky takes inventory after being warned there's a skunk in his cellar. On the lam after a close call, Chalky and daughter take refuge outside Wilmington with Chalky's old mentor, Oscar Boneau. Meanwhile, Gillian considers starting a new life with Roy Phillips.

Eli braces for the worst as Agent Knox sets in motion his plan to take down Nucky. Meanwhile, Capone and Torrio reach an agreement in Cicero, Chalky looks to settle his scores, and Richard Harrow steps forward to save Tommy, at Gillian's expense.