Elizabeth faces a national security crisis when a military conflict in international waters spirals to the brink of nuclear confrontation. Also, with the imminent threat of impeachment looming over the McCord administration, Elizabeth and Henry make a wish-list of things to do while she’s still in office.

President Elizabeth McCord kicks off a new landmark political initiative with help from members of the World Cup Champion U.S. Women’s Soccer team. Also, the McCords overcome last-minute obstacles to pull off a spectacular family celebration.

Elizabeth secretly travels to Iran in an attempt to prevent a coup that could impact President Dalton’s administration. Also, she brings her staff up to speed on the investigation into Marsh’s death.

Elizabeth and cabinet members brace for the fallout at home and abroad as President Dalton prepares for a retaliatory nuclear attack on a country that has reportedly just launched missiles bound for the U.S.

Elizabeth, Henry, and Isabelle investigate a plane crash that killed former Secretary of State Vincent Marsh. Nadine reenters the dating scene after she agrees to go on a date with a NASA scientist.

Elizabeth must watch what she says and does when she deals with a refugee situation while being shadowed by Neal Shin, a newspaper reporter who may use his access to write a tell-all book.

As Elizabeth prepares to officially declare her candidacy for president, she must deal with fallout from a news article alleging she had an affair with President Dalton during her CIA days. Also, Mike B. and Jay adjust to the growing pains in their expanded roles as campaign staffers, and Elizabeth calls for a UN criminal tribunal against Myanmar military leaders over their treatment of the Rohingya.

As Elizabeth prepares to leave the state department and announce her run for president, anti-globalist terrorists attack the United Nations delegation in Geneva who are there to sign the climate migration treaty.

After President Dalton hears about a sonic attack at the U.S. Embassy in Bulgaria, he thinks Russia is to blame and uncharacteristically threatens them with military force, leaving his cabinet concerned about his mental status.

Elizabeth goes head to head with a U.S. governor over the state's new policy of separating unauthorized immigrants from their children. Also, she and Henry plan to renew their wedding vows.

As Elizabeth prepares for the arrival of Iranian President Shiraz to sign a nuclear treaty, she uncovers a top secret plot to assassinate him on United States soil. At the same time, she must deal with a massive protest by the Human Rights Campaign in response to Iran’s plans to stone a gay citizen to death. Also, Elizabeth sees a therapist to deal with her PTSD.

Elizabeth flies to Fashion Week in Milan to face off against the Chinese Foreign Minister over an anti-sweatshop treaty in the aftermath of a tragedy. Also, Daisy struggles with feelings of fear and pessimism over her baby’s future, under the threat of rising nationalism in the wake of the attack on the White House.

Elizabeth goes head to head with a U.S. governor over the state’s new policy of separating unauthorized immigrants from their children.

When a group of American missionaries become hostages during a violent uprising abroad, Dalton must confront demons from his past in order to help Elizabeth secure their safe return home. Also, Stevie takes over Russell’s social media presence, and Henry helps his niece, Sarah, mentally prepare for her military deployment.

Elizabeth faces mounting protests over rising fuel costs as she prepares to throw out the first pitch at a New York Mets game. Also, Mike B. is questioned by the Senate Intelligence Committee as part of the investigation into whether the McCord campaign conspired with Iran to steal the election.

Henry teams up with a Marine veteran to fight for legislation that helps Veterans Affairs provide better mental health care, but he encounters surprising resistance from Vice President Carlos Morejon. Also, Senator Hanson questions Daisy about an arrest in her past.

When evidence implicates Daisy in the leak of hacked information during the presidential campaign and threatens to topple Elizabeth’s presidency, Elizabeth must decide what to believe and how far she’s willing to go to uncover the truth. Also, Henry and Elizabeth host former President Dalton at the White House after his interview with Bob Schieffer.

When U.S. intelligence locates the mastermind behind a foreign country's hack, Elizabeth must decide whether to risk war by extracting him from the country while she also prepares for the White House correspondents' dinner. Also, Jason faces backlash after he confronts his school newspaper over its coverage of Elizabeth.

Elizabeth, Henry, and Isabelle work together to find former Secretary of State Vincent Marsh’s secret bank account, but soon uncover that one of Elizabeth’s staff members already has access to it.

Elizabeth is humiliated at a public budget hearing when her staff fails to find the corruption that exists in her microloan program. Also, the investigation into Marsh's death continues.

Elizabeth heads to Turkey to mend political relations after the Turkish government releases a video that could be damaging to the CIA. Also, Jason is threatened with expulsion after punching a bully at school.

With Algeria on the brink of a civil war, Elizabeth delicately negotiates a regime change, but her plans go awry when Roy Curtis, the trusted U.S. Ambassador to Algeria, dies unexpectedly. Also, Henry fights to save religious antiquities in Algeria when he discovers they are being destroyed by Hizb al-Shahid.

As the U.N. Security Council considers reinstating sanctions against Iran for its suspected nuclear activities, Elizabeth tries to stop Israel from taking matters into its own hands when it threatens military action against the Iranians.

When a possible Israel-Iran war threatens the House’s imminent vote on the U.S. presidential election, Elizabeth attempts to bring the two reluctant countries to the negotiation table in an effort to broker a peace between them. Also, Russell’s life hangs in the balance after a heart attack.

Elizabeth and her team work to secure the release of an American journalist held hostage in the Sudan.