Considering how to manage a delicate issue, Elizabeth seeks guidance from a past state secretary.
Elizabeth tries to capture those responsible for the White House attack. However, she must be cautious not to provoke a conflict after she discovers that they are connected to foreign organizations, and Henry meets one of the attackers.
Following a factory fire, Elizabeth travels to Milan to talk about a sweatshop treaty with the Chinese Foreign Minister. On the other hand, Daisy fights her pessimistic views about her baby's future.
When the remaining soldiers of the United States Armed Forces during World War II are stranded on an Asian island, Elizabeth seeks a way to bring them back safely to the homeland.
After Henry's ex-girlfriend gets imprisoned for criticizing the monarchy while in Thailand, he finds himself at the center of an international crisis. Elizabeth assists Jason with his college preparations.
After the explosion of an Icelandic volcano leaves Elizabeth at an airport in Ireland with Turkey's foreign minister, she attempts to strike a deal with him to spare the lives of thousands of Syrian refugees.
The surrogate carrying the Vice President's grandchild gets arrested for human trafficking, upon which Elizabeth is forced to intervene.
Elizabeth tries negotiation with Haiti rather than military action. Despite losing an election, Haiti's president refuses to stand down. Blake must find another source for a living before getting dismissed.
Elizabeth and Jay need to collaborate together to prevent Spain from destabilizing a historical deal between Serbia and Kosovo. Henry is dealing with an odd encounter with Secretary of Defence Gordon Becker.
A U.S. governor is confronted by Elizabeth on the state's recent policy of severing the unauthorized immigrants' children from their parents.
Elizabeth tries to stop an American governor, who thinks he has the right to deport refugees from the United States.
Elizabeth must rescue a deal with a military contractor by sending fighter planes to Taiwan, but in doing so, she risks sparking a conflict with China. Daisy is also irritated with Matt for failing to assist her in caring for her puppy as promised.
After an American cluster bomb kills innocent Syrian children, Elizabeth needs to take action. Russell gets into an argument with a homeless protester, resulting in a public relations nightmare.
After a group of American missionaries is kidnapped during a violent rebellion abroad, Dalton must deal with demons from his past in order to assist Elizabeth in securing their safe return home.
Elizabeth works on an agreement to return US soldiers from the Middle East. Rumors that a lady is involved with one of Elizabeth's workers endanger her life.
After a supertyphoon approaches a small Pacific island, Elizabeth and her crew must find a method to move the inhabitants before the storm makes a disaster.
While Elizabeth is outside the country, her team works to negotiate an international agreement to safeguard individuals displaced by global warming. Daisy and her kid are infected with measles.
Alison begins dating the son of one of Elizabeth's political adversaries. A NATO ally conducts a state-sponsored murder attempt against one of its own people, who also happens to be a resident of the United States and an old friend of Elizabeth's.
As Elizabeth gets ready to announce her new campaign to run for re-election, she must deal with rumors that are tarnishing her reputation, accusing her of having a relationship with US President Dalton during her service at the CIA.
As Elizabeth prepares to resign from the State Department and declare her candidature for Presidency, terrorists assault the United Nations delegation in Geneva.