Chapters 35, 36, 37, 38 Summary

Sophie and Langdon are at the train station, and Sophie asks Langdon to use his credit card to buy two tickets on the next train departing Paris, which he does. They promptly exit the station through a side door and meet up with the taxi that Sophie had given money to earlier. Sophie tells the driver to head out of town, and she and Langdon spend a few minutes debriefing. They notice that the key looks recently cleaned and smells of rubbing alcohol. Langdon requests to see the pen light. There is an address written in invisible ink on the key. Sophie instructs the driver to the address and asks Langdon to tell her all he knows about the Priory of Sion.

Back at the Louvre, Bezu Fache is ready to take drastic measures to capture Sophie and Langdon. He orders Interpol be...