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.

Brody confronts the lone survivor among the insurgents that held him, leading Carrie to believe she may be proved right about Brody once and for all - but Brody's reunion with his captor surprises everyone; the agency is hot on the trail of the lovers who bought a house near the airport with funds from a stolen necklace.

The relationship between Carrie and Brody becomes more complicated when they head into the countryside for the weekend, while Mike and Jessica face the fallout of the truth about their relationship, and Saul catches Aileen on the run to Mexico.

In the wake of the explosion, Saul finds Carrie hospitalized and manic, but realizes her chaotic theories have merit; before his congressional campaign begins, Brody takes his family on a weekend trip to Gettysburg, where he retrieves an important item.

While Carrie is near catatonic and confined to bed, Saul investigates the unsettling implications of her timeline; Walker secures a perch for his mission; Brody makes his final preparations for the Vice President's policy summit at the State Department.

Brody has been elected to Congress. A woman named Roya comes to see him, and asks him to steal a list of homeland targets from Estes's office safe. Carrie is working with the CIA again because Fatima, an informant married to a man working for Abu Nazir, tells Saul that she'll only speak to Carrie. Estes goes to pick up Carrie at her sister's house, and then she's sent to Cyprus, where she's prepped for a brief mission in Lebanon.

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.

Keane is forced to make a show of good faith. A visit to a psychiatrist leaves Carrie rattled. Hidden cameras capture a new face in Wellington's home.

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.

The parking ticket leads Carrie to a series of transactions. O'Keefe loses control of the situation at the compound, and an outsider spreads a rumor.

Wellington puts pressure on the Russian ambassador. Maggie gives Carrie an ultimatum. Saul and Carrie take extreme steps to get Dante to talk.

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.