In an episode featuring shocking scandals and startling interviews, David Dimbleby asks how far the royals will go to maintain public support – and can they succeed?

Over the reign of Queen Elizabeth II, the Windsors amassed extraordinary private wealth without us noticing. How did they do it? David Dimbleby shines a light on the secrets of royal money.

With access to political players and royal insiders, broadcaster David Dimbleby asks: how much power does the monarch really have – and is it more than we tend to think?