An investigation into why the great pharaohs of Egypt abandoned the pyramids of Giza and chose a secret cemetery in the Valley of the Kings in which to be buried; a team looks for clues to identify human remains found in looted graves. 

Nearby in Deir el Bahari, Archaeologist Antonio Morales and his team are investigating how ancient tomb builders cleverly designed their tombs to try to evade would-be thieves. Egyptologist Don Ryan works against the clock to examine the contents of Tomb 49 - and makes a dramatic discovery revealing ancient, state-sanctioned tomb robbery on an industrial scale.