Carrie and Saul investigate what she saw in Islamabad; Carrie tries to cope with the return of her estranged mother as her father is laid to rest.

Almost two years after the Embassy attack in Islamabad, Carrie is building a new life in Berlin. But her peace is threatened when a request from her boss forces her towards the dangerous world she left behind.

The hacktivists rise up. Quinn covers for Carrie. Dar and Allison assess the damage.

As Brody finds himself in increasingly desperate straits, he returns to his faith for guidance in an unexpected way. Carrie struggles to connect with Saul when a mysterious man offers to help her, but at a great cost.

Carrie returns home to the US with Franny to work as an advocate for Muslim Americans. Dar and Saul brief President-elect Keane. Quinn struggles with his new circumstances.

Carrie and Franny are living with Maggie's family in DC. Saul and the federal employees detained after the attempt on the President-elect's life are in prison. President Keane's administration comes under scrutiny.

Saul attempts to track down those responsible for the Langley attack and recruits an unlikely expert to follow the money trail. Meanwhile, Quinn takes matters into his own hands; Carrie learns who is really on her side; and the Brody family turn to therapy to mend their broken household.

Carrie goes with Otto as part of his security team to a Beirut refugee camp, where she makes a disturbing discovery. Quinn gets a shocking message.

Carrie begs a conflicted Qasim for help. Saul presses hard on Ivan in order to find Allison. Carrie reunites with Jonas and later gets two offers.

Carrie resorts to desperate measures to figure out who is targeting her. The hackers negotiate the transfer of the rest of the documents.

Carrie and Reda fight for their client while Quinn fights against his new life. Saul and Dar suspect Keane has a secret.

Carrie's meeting with Saad has grave repercussions for Sekou. In Abu Dhabi, Saul interrogates Nafisi for proof of an Iran-North Korea arms deal.

Saul hunts for Simone's link to Russia. Carrie flees with Franny after a blowout with her sister and later has an eye-opening chat with Dante's ex.

After missing and presumed dead for eight years, Marine Sergeant Nicholas Brody is rescued in Iraq, and returns home to his family. But CIA agent Carrie Mathison suspects he might have been turned by his terrorist captors, and believes he could be part of a plan to attack America.

Carrie receives new evidence from an undercover agent and stays glued to the surveillance footage of Brody's home, which reveals a man struggling with his traumatic memories.

As Carrie and Saul reel from the news that Walker is alive, the intelligence community clashes on the best way to capture him; Brody learns a shocking truth about his captivity.

An official inquiry brings Carrie back to the States, where she struggles with her ambivalence towards motherhood. Quinn spirals out of control, while a disgraced former case officer reveals disturbing new information.

Russia expert Sandy tells Saul she suspects Simone is still alive. Carrie faces Maggie in court. Keane's future rests in the vice president's hands.

Brody prepares to enter the spotlight; Carrie closes in on an al-Qaeda plot.

The political powers that be make big plans for national hero Brody, but his increasingly erratic behavior threatens his media darling status; Carrie grows desperate for evidence linking Brody with Abu Nazir, as Saul directs her to focus on Nazir's money trail.

After his attempt to sever ties with Abu Nazir, Brody finds himself reliving his captivity and recommits to his mission; Carrie finds herself in the middle of a public relations nightmare on the heels of the mosque shooting.

Carrie tries to earn the trust of a frightened asset. Saul catches a break when he spots a familiar face. Quinn and Fara stake out a new suspect.

When Allison tries to get Saul to talk, she learns some disturbing news. The documents lead Carrie to an asset in Amsterdam. Quinn gets a new mission.

Carrie arranges a secret meeting with Allison. Flashbacks reveal the events that led to Allison's current duplicity and their connection to Carrie.

At O'Keefe's hideout, Saul begins negotiations. Carrie learns who the woman caught on camera is. Wellington issues a command behind Keane's back.