PARIS: Once a royal palace, the Louvre is now one of the world's greatest museums boasting 35,000 objects from prehistory to the 19th century, and visited by over 8 million people every year.

In this episode we chase the brazen thief who stole the Mona Lisa to find out how she was recovered and how she became so famous, then scrutinize the official portrait of Napoleon’s coronation to reveal a canvas of lies. We re-stage the jousting accident that killed a king to discover whether his head wound was inevitably fatal, then enter the turbulent life of a young artist to find out whether he was driven mad by sexual guilt or his attempts to paint a tragedy at sea. And finally, we probe a king’s assassination to discover if the assailant was a lone knife-man or in league with an evil Queen.