Carrie continues her hunt for terrorist leader Abu Nazir while maintaining a complicated relationship with Brody that straddles the line between personal and professional. Brody is forced to work more closely with the CIA. Jessica Brody struggles to keep her family in tact despite increasing difficulty connecting with her husband. Saul discovers a clandestine plot.
Months after undergoing Electroconvulsive Therapy, former CIA case officer Carrie Mathison has found a modicum of peace in her family's suburban embrace. But the strides she's made towards mental health are threatened when an asset from her former life comes in from the cold. Meanwhile, freshman Congressman Nick Brody discovers that Abu Nazir may not be content with his nonviolent approach to affecting change in American foreign policy. Brody's daughter Dana lets a vital secret slip.
Fatima tells Carrie about a meeting her Hezbollah commander husband will be having in Beirut with Abu Nazir and Carrie and Saul request a special forces team to capture him.
After her Beirut adventures, Carrie hopes for a triumphant return to the CIA. Brody learns that his bomb maker is in danger of imminent discovery and attempts a last minute extraction. Jessica steps into the political limelight.
Estes authorizes a covert operation to investigate intel recovered in Beirut. Brody gets a shock when he runs into Carrie at Langley. Dana discovers she has something in common with the Vice President's son.
Brody is a prisoner again. Carrie plays second fiddle after her rash judgment call at the hotel as Estes is busy keeping Jessica off their trail. Dana and Finn's date night turns deadly serious.
Dana is shocked by her visit to the hospital. Faber's Tom Walker questions get him tangled up with the CIA. Brody agrees to help stop an attack on America, but his loyalty is questioned when Gettysburg once again becomes a battleground.
Carrie and the team struggle to regain control of their operation. Saul visits Aileen in solitary confinement. Dana pressures Finn to come clean about their hidden crime with unforeseen consequences.
Brody heads towards meltdown as he struggles to keep his complicated alliances clear. Carrie stages a risky intervention to keep Brody in line, forcing both of them to confront their mixed emotions. Dana turns to an unlikely source for comfort.
Brody makes a necessary phone call. Saul teams up with Virgil and Max to dig up some information on one of their own. Carrie finds herself preparing for the most important meeting of her career.
Saul catches up with an old friend and discovers evidence of covert activities by Estes. Brody and Vice President Walden find themselves at odds over the future of their political relationship, while Dana and Finn come to terms with their own differences.
Dangerously close to exhaustion, Carrie continues her hunt for Nazir and begins to suspect there is a mole in the CIA. Roya reveals her true colours under interrogation and Saul finds himself fighting to save his career under unexpected circumstances. Meanwhile, the Brodys struggle to maintain anything close to a state of sanity.
Carrie is faced with a pivotal decision, while Brody meets with Faber to contemplate the future of the family. Meanwhile, Saul undertakes a secret assignment; and Quinn has a decision to make that may prove to be a game-changer.