As Philip leaves for a long tour, Elizabeth makes an upsetting discovery. Prime Minister Eden wants to strike back after Egypt seizes the Suez Canal.

Elizabeth feels disconnected from Philip. Eden copes with international pressure and ill health. An interview stirs up harrowing memories for Philip.

Palace insiders try to prevent a scandal that could reflect poorly on Philip. Eden faces censure from his cabinet and the press.

When Elizabeth and Philip throw a grand party for their 10th anniversary, both Margaret and the new Prime Minister experience romantic tribulations.

After Elizabeth makes a tone-deaf speech at a Jaguar factory, she and the monarchy come under public attack from an outspoken lord.

A secret World War II document opens Elizabeth's eyes to grim realities about a family member. The Duke of Windsor campaigns to re-enter public life.

A letter from Peter Townsend spurs Margaret to make a bold proposal. Elizabeth has good news that causes complications for Margaret.

Inspired by Jackie Kennedy and against her government's wishes, Elizabeth takes an unconventional approach to resolving an issue with Ghana.

Philip insists that Prince Charles attend his alma mater in Scotland and reminisces about the life-changing difficulties he experienced there.

A salacious government scandal hits close to home for Elizabeth and Philip. Elizabeth retreats to Scotland for rest during a difficult pregnancy.