Robert Langdon, Harvard professor of symbology and religious iconology, arrives at the Guggenheim Museum in Bilbao to attend a major announcement?the unveiling of a discovery that ?will change the face of science forever.? But the evening suddenly erupts into chaos, and the precious discovery teeters on the brink of being lost forever. On a trail marked by modern art and enigmatic symbols, Langdon uncovers clues that ultimately bring them face-to-face with theshocking discovery... and the breathtaking truth that has long eluded us.