Following King George's death, Prince Edward must choose between the throne or marrying Wallis Simpson, an American divorcee.

When George VI is crowned king in 1937, he must rebuild the prestige of the monarchy after the shocking abdication of his brother and the shadow of WWII.

As a young Elizabeth II takes her first steps as queen, she is torn between old tradition and those who want to modernize the monarchy.

Prince Charles, who is next in line to succeed his mother Queen Elizabeth, is under great pressure to marry and produce an heir for the Windsor dynasty.

The marriage between the Prince and Princess of Wales starts to fall apart, and the Queen begins to face one of her greatest challenges.

Prince William's marriage to Kate Middleton and Prince Harry's to Meghan Markle reenergizes the royal brand. But modern media escalates the pressures.