A horrible disaster in the Welsh town of Aberfan leaves scores of children dead, but when the Queen takes a week to decide to visit the town to offer solace to its people, she must confront her reasons for postponing the trip.

Prince Charles is sent to Aberystwyth to learn Welsh from an ardent nationalist in preparation for the ceremony for his investiture as Prince of Wales.

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

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.

As tensions with Phillip increase, Elizabeth spends time with her old friend Porchey. Churchill's portrait is painted for his 80th birthday.

The Queen gives Charles the green light to wed Camilla. Tasked with planning her own funeral ahead of her 80th birthday, she faces an existential crisis.

With King George too ill to travel, Elizabeth and Phillip embark on a four-continent Commonwealth tour. Party leaders attempt to undermine Churchill.

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

On a tour of Australia, Diana struggles to balance motherhood with her royal duties while both she and Charles cope with their marriage difficulties.

As the Soviets test the H-bomb, both Churchill and Eden have major health crises. Angry about her inadequate education, Elizabeth hires a tutor.