Blackbeard sets his plan to sink the Spanish Treasure fleet and recover the treasure. He has Tom stay behind, and Kate gives the Englishman startling news.
Jagger launches his final assault against Santa Campana and brings along a secret weapon to destroy his hated enemy. Meanwhile, Blackbeard and Tom rally the townspeople to make their final stand against the English.moreless
Nenna plans an escape, putting Tom in peril. Meanwhile, James forms an unlikely alliance that could get Tom killed.
Jagger speaks with Antoinette in the Jamaica prison. Meanwhile, Tom tries to figure out a way to deliver Blackbeard to the authorities while guaranteeing Kate's safety.
Tom tricks Blackbeard into letting him go to Jamaica, but discovers that Jagger plans to spare no one once he learns the location of Santa Campana. Meanwhile, Nenna plans to spend her stolen loot and James begins to regain the use of his body.moreless
Tom warns Blackbeard that his condition is worsening in a gambit to get the pirate to reveal his plans. However, when Blackbeard accelerates his scheme, Tom is forced to play along. Meanwhile, Jagger turns to an unexpected resource to learn Blackbeard's location when all else fails.moreless
When Jagger captures Kate on a trading voyage, Blackbeard sets out to find her and kill her rather than risk a pitched battle with the English. James, realizing what the commodore intends, asks Tom to go along and ensure that Kate is safe.moreless
Blackbeard's master plan faces obstacles when a popular pirate captain arrives. Meanwhile, Kate asks Tom to examine her husband, and Tim discovers a corpse in the harbor.
A revolutionary device called the Longitude Chronometer, a device that can tell a sailor exactly where he is in the world is stolen from the HMS Petrel by pirates lead by the legendary but supposed dead Edward Teach--better known as Blackbeard. Tom Lowe, an English spy aboard the Petrel, has been given orders to protect the device and to kill Blackbeard at all costs.moreless
Election day arrives and Nucky prepares for change. Torrio sets up a potentially hostile deal between two bitter rivals.
Jimmy speaks with his father after nine years. Nucky has heated conversations with both Eli and Margaret regarding the business and the murder of Margaret's husband. Van Alden takes matters to the extreme with Agent Sebso and Angela's plans to flee to Paris are scuppered.moreless
Van Alden's increasingly conflicted emotions start to interfere with his work. Nucky has words with Margaret in regards to her support. Also, Angela is taken aback when seeing Jimmy's violent side.
Margaret tries to help Madame Jeunet with her money troubles by speaking with Nucky. Jimmy is forced to return to Chicago to deal with the D'Alessio brothers and Nucky gets ready for war with a rival factionmoreless
Nucky gets troubling news while visiting the Republican National Convention in Chicago.
Jimmy becomes friends with a fellow veteran who lost half his face in the war. Luciano and Meyer Lansky make a deal with the D'Alessio brothers and Nucky deals with some unpleasant childhood memories.moreless
Nucky investigates a theft on the boadwalk, Jimmy gets on the right side of Johnny Torrio and Margaret stands her ground regarding Lucy.
Nucky's St. Patrick's Day celebrations are cut short when Van Alden raids the establishment.
Al and Jimmy negotiate with a supplier in Greektown. Nucky organizes a surprise party for a U.S. Senator, lobbying him to get more roads to Atlantic City. Chalky, with the aid of Elias, investigate Chalky's driver's lynching. Jimmy settles in with Al and his boss, Johnny Torrio.moreless
Jimmy finds himself in trouble when a dying witness fingers him for the murders in the woods. Chalky's deal with Nucky hits trouble when his driver is lynched. Margaret gets a job at a boutique.moreless
Nucky is paid a visit by Agent Van Alden who feels a crime is being pinned on a scapegoat and wants some answers, forcing Nucky to close ranks on all his operations. He visits his old mentor, Commodore Louis Kaestner regarding the womens right to vote and later meets with Margaret Shroeder, still recovering from the beating she received from her now deceased husband, who has asked for help with her children.moreless
On the eve of Prohibition, January, 1920. Nucky Thompson, Atlantic City's Treasurer, condemns alcohol at a Temperance League meeting for women, however, behind closed doors he is telling his ward bosses about the huge amounts of cash they could get selling bootleg liquor.