during a visit to paris robert langdon a book expert gets a mysterious phone call in the middle of the night.
the old cruiter of the lover is murdered in the museum.
a mysterious code is found near his body.
as langdon tries to solve the crypitc codes with the help of a young agent named sophie neve they are both amazed to find a whole series of codes which were created by known other than de vinchi himself .
the danger rises as langdon discovers an amazing secret:
the late cruiter was a member of a secret society named "the order of zion".
which counted members as izak newton, viktor hugo, and de vinchi.
langdon understands he is the midst of an historical battle to protect an ancient horrible secret.
in a crazy race in the streets of paris langdon and neve face very powerfull rivels who for see their every move.
if they so not manage to solve the riddle the secret of the order will be lost forever - and with it the ancient truth.