Amid a growing challenge to her power, Thatcher fights for her position. Charles grows more determined to separate from Diana as their marriage unravels.
Charles is caught in a deadly avalanche, prompting both him and Diana to reevaluate their commitment to their troubled marriage.
As many nations condemn apartheid in South Africa, tension mounts between Thatcher and Elizabeth over their clashing opinions on applying sanctions.
Grappling with mental health issues, Margaret seeks help and discovers an appalling secret about estranged relatives of the royal family.
Thatcher's policies create rising unemployment. A desperate man breaks into the palace, where he finds Elizabeth's bedroom and awakens her for a talk.
Margaret Thatcher struggles with the disappearance of her favourite child. Elizabeth reexamines her relationships with her four children.
Elizabeth welcomes Britain's first woman prime minister. Charles meets a young Diana Spencer. An IRA attack brings tragedy to the royal family.