A mysterious race of North American giants.



An ancient Hebrew inscription in a Cherokee burial mound.



A blood oath made by blindfolded Freemasons.



Are these three historical oddities the reason the CIA is trying to brainwash historian Cameron Thorne and his fiancée Amanda Spencer-Gunn? The answer lies buried in the legends of the Knights Templar, within the rituals of the secretive Freemasons and, most significantly of all, inside the bowels of the Smithsonian Institution. The problem for Cam and Amanda? If they go rummaging around the Smithsonian, they may find themselves buried alongside the ancient giants.