Da Vinci's greatest and most dangerous legacy... In the midst of a lovers' quarrel on a Venetian bridge, a pair of art thieves loses a priceless, stolen Lorraine cross to the canal's murky waters. Suspecting a connection between the cross, Joan of Arc and da Vinci, Annja Creed's former mentor, Roux, sends the archaeologist to oversee the search for the missing artifact. But someone else knows about the cross...knows enough to kill for it. Despite...