Expatriate Ethan Gage, in the Holy Land to save his former lover Astiza and to search for the revered legendary Book of Thoth, is in danger again as Napoleon's army marches towards Jerusalem.

Bright white teeth. Straight leg bones. Awkwardly contorted arm bones. On a hot summer day in 2005, Dr. Douglas Owsley of the Smithsonian Institution peered into an excavated grave, carefully examining the fragile skeleton that had been buried there for four hundred years. "He was about fifteen years old when he died. And he was European," Owsley concluded. But how did he know? Just as forensic scientists use their knowledge of human remains to help...

After years of brutal training for what she thinks is the noble purpose of becoming a Seeker, Quin Kincaid, fifteen, learns that she will be using the ancient artifacts and sacred knowledge as an assassin.