Georgina Adam

London, England, 2008. Some of the most distinguished experts on the work of Italian artist Leonardo da Vinci (1452-1519) gather at the National Gallery to examine a painting known as Salvator Mundi; an event that turns out to be the first act of one of the most fascinating stories in the history of art.

The extraordinary story of Mohammed bin Salman's rise and rule, featuring testimony from friends, advisers, western spies and diplomats.

Art professionals hold on to their sense of artistic merit as billionaires dominate the market.