While everyone was preparing to see Old Santa Claus, snow fell, and gathered around the table to devour that miserable turkey. Tariq found himself involved in a deadly scientific mystery, and a struggle against the clock, with his American cousin, Omar Lashin? An archaeological coffin... pagan tribes... and crazy scientists on Christmas Eve! It is the atmosphere of the writer (Dan Brown) and his favorite hero (Robert Langdon)... as he chases the dark side of science through the back halls..