Agent Knox's plan to take down Nucky begins.
Chalky and Maitland hide out at his old mentor's, Oscar Boneau. Gillian contemplates selling her business for a life with Roy.
In a compelling episode, we see plot developments for most of the major story lines this season. Themes of identity and loyalty were at the forefront this week.
As Capone's cavalry rides in, the war starts: With firepower on the one hand and scheming to alienate Masseria from Rosetti, Nucky fights to get his business back and keep his life.
Gillian takes on Gyp with her very own weapons, but sees herself overpowered; Richard poses as a one-man-army and seems to have more luck saving what's important.
Meanwhile, Margaret has run off to face difficult decisions – not only about her unborn baby, but also about the future of her marriage.moreless
Rothstein asks Gyp to be his new supplier but has other plans in mind. Gillian worries about her business.
Nucky and Owen end up trapped and hiding in a house from the feds after tracking down a thief who has been stealing from them.
Margaret starts a personal mission to start a women's clinic at the hospital. Nucky struggles with rumination over Jimmy. Van Alden struggles in his new position as a salesman.
Chalky tries to help his daughter, Maybelle. Nucky's emotional state leads to Gyp getting the upper hand. Eli gets out of prison, and Margaret's concerns on the sanitary condition of the hospital are not taken seriously.moreless
With Nucky's trial right around the corner, Jimmy tries to make amends, but is it too late? Margaret makes a life changing decision and Van Alden flees to the Midwest.
Jimmy despairs because of his wife's murder which the police suspect him of committing. With Jimmy off the scene, his partners try to take his share.
Nucky heads to New York to hire a new lawyer after firing the last. After failing to get the black workers back to work, Jimmy asks Chalky for his demands and instructs Mickey to pay his debt to Manny.moreless
Nucky travels to Belfast in the hope of trading Thompson machine guns for Irish whiskey. Margaret receives some devastating news.
Nucky makes some family changes on hearing about the death of his Father. Jimmy's current success causes him to rethink his relationship with Angela whom has made a feisty new friend at the beach.moreless
Jimmy takes drastic measures to prove himself. Margaret visits her family in New York, whilst Nucky deals with Lucy and Van Alden in Atlantic City.
Van Alden battles with his conscience. Nucky's court case hits a hurdle while he tries to set up a liquor delivery to Philadelphia.
Eli begins to question the choices he's made, Richard goes hunting in the forest with no intentions of returning, and Nucky invites a surprise guest speaker to a war veterans Memorial Day.
Nucky's attorney devises a plan that may help in Nucky's court case. Eli grows concerned over the Commodore's leadership abilities and Mickey's warehouse is next in Van Alden's sights.
Nucky asks the Attorney General for a favor when the Commodore stops alcohol reaching Atlantic City.
As the study group sets to work on their first big assignment in biology - a terrarium - they are driven to distraction over how they should pair off to do their project. Elsewhere on campus, Chang patrols the school grounds looking for signs of trouble and imagines himself in a noir detective mystery.moreless
On realization that he might be losing control over Atlantic City, Nucky endeavors to discover which one of his men betrayed him. Rothstein puts Jimmy on hold in New York, with Lansky and Luciano still looking to do business. Dunn Purnsley gets more than he bargained for when he gets in Chalky's face in prisonmoreless
Insurrection rears its ugly head amongst Nucky's ranks. Chalky escapes death when he and some of his men are attacked by the Klu Klux Klan. Margaret continues to worry about Tommy's behavior and Van Alden takes his wife out on the town for their anniversarymoreless
As the new school year starts, the group is back together and choice to take Biology. Jeff and their ex-convict Biology teacher instantly start off on a bad foot, which leads to strife within the group. Meanwhile, Senor Chang is living in the air vents and is given a new position of authority from the Dean, who has to make cut-backs due to the intimidating Vice-Dean's choice on spending arrangements.moreless