Elizabeth must defend herself against a groundless investigation into her past, Henry's marriage falls under scrutiny.
Elizabeth must deal with growing protests over the rise in fuel costs, Mike B. is investigated in relation to the McCord campaign and if they conspired with Iran to tamper with the election.
Elizabeth has a tough choice to make regarding the military response to the UN gas attack. Sen. Hanson questions Blake about possible violations in campaign finance.
Henry is working to provide better mental health care for veterans but faces resistance from the VP. Daisy is questioned by Sen. Hanson about her past.
Daisy gets implicated in the leak of information during the election, and Elizabeth has to decide if she's willing to risk everything to uncover the truth.
A faked video of Elizabeth and Henry threatens to cause a diplomatic crisis. Stevie has to bid farewell to a special person.
Elizabeth has to decide if the extraction of the mastermind behind the hacking of a senator's personal information is the best approach.
When a U.S. tech executive disappears in a foreign country, Elizabeth must follow the complex paths of diplomacy to bring him home.
Elizabeth faces a major crisis, when a military conflict breaks out in international waters, threatening an upcoming nuclear war, while the impending threat of impeachment approaches.
With help from members of the U.S. Women's Soccer team, Elizabeth launches a new political initiative, which Senator Amy Ross opposes. The McCords throw a fabulous family celebration.