A young Princess Elizabeth marries Prince Philip. As King George VI’s health worsens, Winston Churchill is elected prime minister for the second time.

Margaret and Peter are reunited, but another obstacle stands in their way. Elizabeth is torn between her duty as Queen and her love for her sister.

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.

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