A threat to his life will propel him and a young doctor, Sienna Brooks, into a breakneck chase across the city. Only Langdon's knowledge of the hidden passageways and ancient secret that lie behind its historic façade can save them from the clutches of their unknown pursuers.
With only a few lines from Dante's Inferno to guide them, they must decipher a sequence of codes buried deep within some of the Renaissance's most celebrated artworks to find the answers to a puzzle which may, or may not, help them save the world from a terrifying threat. . .