Carrie Mathison, working as a CIA case officer in Iraq, is told by an informant prior to his execution that an American prisoner of war has been turned by al-Qaeda. Ten months later, Carrie is working in the CIA's counterterrorism office in the United States, where she learns that Marine Sergeant Nicholas Brody has been rescued from an al-Qaeda compound eight years after going missing. Carrie concludes that Brody is the turned POW and begins illegally surveilling his household. Brody reunites wi
Saul obtains a warrant temporarily legalizing Carrie's surveillance of Brody. Carrie meets with Lynne Reed, a CIA informant working as a consort for the Saudi Arabian Prince Farid Bin Abbud, and learns that she has video evidence of the Prince meeting with Abu Nazir. CIA deputy director David Estes denies Carrie's request to put a security detail on Lynne and instead requests that she download the content of the Prince's phone. Carrie visits her sister Maggie, a psychiatrist, to receive anti-psy
Brody and his family prepare for a TV interview. Brody omits details of how Abu Nazir offered him food and comfort amidst his torture. Lynne manages to discreetly download the contents of Prince Farid's phone, but the data is of no use. That night, with no CIA security detail protecting her, Lynne is assassinated while at a nightclub with the Prince's entourage, and a diamond necklace she received as a gift from the Prince is removed from her person. The necklace is later sold for $400,000, cons
Brody is promoted to the rank of gunnery sergeant amidst his recent wave of public appearances, prompting talk of having him run for public office. Carrie's surveillance warrant on Brody expires and she is forced to uninstall her recording equipment from his home. The CIA begin investigating a number of potential recipients of the money transfer via Prince Farid's sold diamond necklace. Carrie and her team begin investigating Raqim Faisel, the man who bought the house near the airport with his g
The CIA detain Afsal Hamid, the lone survivor of the raid on the al-Qaeda compound where Brody was rescued. Carrie summons Brody to consult on Hamid's interrogation; Brody recognizes Hamid as his guard while in captivity. Hamid gives up an email address belonging to a university where Raqim Faisel is employed. With this, the CIA are soon able to locate Raqim's home address, but find it vacated upon arrival. Brody meets with Estes and demands an opportunity to confront Hamid, his torturer, face-t
In an attempt to find out who helped Hamid kill himself, Carrie has a polygraph administered to everyone who was in contact with Hamid, including Brody. Raqim and Aileen discover that al-Qaeda is also attempting to eliminate them; Raqim is later killed, while Aileen manages to escape. The CIA begin tracking Aileen. After Walker's funeral, Brody attacks Mike over his affair with Jessica. He calls Carrie to a bar that night to socialize; the two get drunk and end up having sex, but not before Carr
Carrie and Brody drive to her family's remote cabin and enjoy a day of sex and romance. Aileen attempts to flee to Mexico, but Saul intercepts her and drives her back to Langley. She discloses that her task was to buy a home near the airport and await a visitor, who spent an hour on the roof. The roof is discovered to have a direct line of sight to a landing pad for Marine One, the President's helicopter, within a sniper's range. At the cabin the following morning, Carrie inadvertently indicates
The CIA inform Tom Walker's family (but not Brody) that Walker is still alive. Walker is shown to be homeless in Washington, D.C.; he receives a key and note from Mansour al-Zahrani, a Saudi diplomat. Walker is discovered to be routinely calling his family to hear their voices; the FBI traces the next call between Walker and his wife Helen, but Helen warns him to run. The FBI chases Walker through a mosque where they accidentally kill two attendees; Walker uses his key and note to retrieve a sni
In flashbacks to three years ago, Abu Nazir is shown to have ended Brody's torture, given him comfortable living quarters, and placed him in charge of teaching English to Nazir's young son Issa. Over time, Brody developed a fatherly love for Issa, until Issa's school was destroyed by an American drone strike that killed Issa and several other children. Vice President Walden claimed that any images of dead children were terrorist propaganda, enraging Brody. In the present, the CIA identify Mansou
Vice President Walden offers Brody a chance to run for the House of Representatives in an upcoming special election; Brody accepts. Carrie and Saul interrogate al-Zahrani and arrange for him to meet Walker at Farragut Square the next day. Brody visits Carrie at her home and informs her of his bid for public office, having come to confirm that no one knows of their affair. During the planned meet with al-Zahrani the next day, Walker remotely detonates a bomb inside a briefcase belonging to a look
Saul finds Carrie in a manic, delirious state after a week of recovery in the hospital, and learns from her sister Maggie that she has bipolar disorder. Saul stays with Carrie at her home while her medication takes effect, and helps her produce a detailed timeline of Abu Nazir's activity. Brody takes his family on a trip to Gettysburg, where he secretly meets with an al-Qaeda contact at the back of a clothing store and receives an explosive suicide vest tailored to him. Carrie identifies a perio
Brody records a video explaining his impending attack on the Vice President. The following day, Walden and other lawmakers convene at the State Department for a policy summit, which Brody attends while wearing the suicide vest. Walker snipes at the crowd and kills three people; Walden, Brody, Estes and others are ushered into a bunker. Carrie realizes that the shooting is a diversion to get the Vice President and other high-value targets in the same room as Brody, who is to carry out the actual