Harvard Professor Robert Langdon receives an urgent late-night phone call while on business in Paris: the elderly curator of the Louvre has been brutally murdered inside the museum. Alongside the body, police have found a series of baffling codes. As Langdon and a gifted French cryptologist, Sophie Neveu, begin to sort through the bizarre riddles, they are stunned to find a trail thet reveals a mystery stretching deep into the vault of history.

But unless Langdon and Neveu can decipher the labyrinthine code and quickly assemble the pieces of the puzzle, a stunning historical truth will be lost forever ...