Prince Charles and Princess Diana become superstars on the world's stage as their family grows. But, the marriage between the Prince and Princess of Wales starts to fall apart, leading to divorce, and the queen begins to face the greatest challenges of her long reign. In 1997, the world mourns alongside the royal family after Diana is tragically killed in a car crash.

The six-part series concludes with a look at the lives of Prince William, Prince Harry, and the future of the crown. With the history-making marriages of Prince William to Kate Middleton and Prince Harry to Meghan Markle, a new generation reenergizes the royal brand, modernizing the Royal Family with more down-to-earth, accessible styles. They extend the Windsor dynasty with families of their own. But, in the modern media age, the pressures of being a royal are more intense than ever.