Jacques Sauniere was a curator for the Louvre Museum in Paris, France who held a few secrets that a certain group wanted. In the last few minutes before his death, he managed to strip down and position his body in a life sized replica of Leonardo da Vinci's The Vitruvian Man along with leaving a strange message and drawing a pentacle on his stomach. Now the police are to find out the meaning behind this message and in doing so they call in Robert Langdon, a symbologist. Shortly after Langdon's arrival to the museum, Sophie Neveu, a cryptographer, comes in and informs them that she had deciphered the numerical part of the message. She then has Robert Langdon listen to a message from the U. S. Embassy. The story goes on and the mysteries grow, but they finally ended up in a Swiss depository bank with a key...