Robert Langdon, a professor of symbology at Harvard, wakes up in a hospital in Italy without any memory of the past 36 hours. Together with Dr. Sienna Brooks, he flees through Florence, pursued by a female assassin. They unravel a series of codes set by a brilliant scientist obsessed with the end of the world and Dante Alighieri's The Inferno. This gripping thriller combines art history with a nerve-racking chase.