World-renowned symbologist, Robert Langdon wakes up in a hospital bed in a completely strange place. I do not remember, how and why he was in the hospital. He can also explain, how he came into possession of a mysterious object, which is located in its own navy. Time to think there is, unfortunately, too many. Hardly a good regains consciousness, someone is trying to kill him. In the company of young doctors Sienna Langdon Brooks leave in a hurry hospital. Pursued by unknown enemies traverses the streets of Florence, trying to discover the reasons for the unexpected chase. Follows the mysterious clues hidden in the famous poem of Dante ... Is his knowledge of arcane secrets, which conceals the historical facade of the city just, to escape the unknown captors? Is able to decipher the puzzle and save the world from a deadly threat?