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?

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.

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?