Alan Yentob tells the story of how the Mona Lisa came to be the most famous work of art in the world. It's a tale full of notoriety, glamour and intrigue as the Mona Lisa is abducted, vandalised and exploited across the centuries. With the help of leading scholars and original research Alan also finally solves the central mystery of the Mona Lisa - who she is and why she's smiling.
