Chapters 25, 26, 27, 28 Summary

Captain Fache finds out that he has been duped by Langdon's bar of soap. He thinks back to the phone call Langdon made to the Embassy. He calls the Embassy to try to retrieve Langdon's message. They tell him that they have no automated messaging system. Then he remembers that Langdon used his phone. He redials the phone number stored in his phone, reaches Sophie's answering machine, dials the code and listens to the message to Langdon.

Meanwhile, Langdon and Sophie approach the viewing area for the Mona Lisa. Langdon is excited to see one of the most popular works of art in the world. He thinks about the many theories about the mysteries of the painting. Some claim that there are hidden messages, double entendres, and allusions within the work. Langdon believes Da Vinci was a proponent of feminine sensibilities and promoted...