Kate puts her best foot forward after pillow talk with Hal forces her to face hard truths, and Vice President Penn offers a blunt lesson in geopolitics.

In London, Hal's actions cause friction as Kate heads to Paris with Dennison to get a handle on the Lenkov situation, which soon takes a shocking turn.

Amid a growing constitutional crisis, the staff scrambles to stage an impromptu inauguration, while Hal exploits the chaos behind the scenes.

Kate must use all her leverage and political instincts to avert a catastrophe at a high-stakes summit — with the fate of nations hanging in the balance.

Vice President Grace Penn arrives in London with an agenda — and advice — as fallout from Roylin's bombshell affects Kate's relationship with Trowbridge.

At an emergency strategy session, Grace weighs unthinkable choices, while Kate rolls the dice on a gamble that could alter the course of history.

At Winfield, President Rayburn's plans in the Gulf have the staff on edge as tensions between a determined Hal and a strong-willed Kate come to a head.

After a hostile attack on a British vessel, seasoned diplomat Kate Wyler assumes a new role in the UK that puts her skills — and marriage — to the test.

Kate's unique role grants her access to anyone she wants — except the one person she needs. Dennison puts actionable intelligence to personal use.

Sequestered inside Winfield House as embassies go on alert and allies fall silent, Kate and Callum race to contain a potential disaster.

As new details about the bombing emerge, Kate struggles to see eye-to-eye with Hal. Prime Minister Trowbridge's fiery remarks at a funeral cause a stir.

A lavish Fourth of July party gives Kate a chance to help Dennison, who sees an opportunity after the prime minister's announcement about Lenkov.

Eidra helps sneak an unannounced guest into Grove's funeral, Kate realizes she might have made a bad call before the bombing, and Stuart speaks his mind.

Forced to play the perfect couple, Kate and Hal confront a looming problem in international waters and a development that could torpedo U.S. credibility.