In September 2012, headline news shook the art world. A secret Leonardo da Vinci painting had been uncovered, a portrait of a younger and more beautiful Mona Lisa that predated the famous Louvre masterpiece. Now, an elite group of art historians, research physicists, restoration experts and forensic imaging specialists has gained exclusive access to analyze the painting firsthand. Applying high-precision, scientific techniques, they will aim to verify the painting's date, decipher hidden mathematical codes within it and unravel the clues that point to Leonardo's genuine hand.