The Discovery Channel sets off on an admirable search for answers to a mystery that's puzzled Egyptologists for ages: Who was the pharaoh Pepy from the Old Kingdom? Join expert Vassil Dobrev as participates in a dig that aims to uncover the secrets of Pepy, who ruled during a period about which researchers know very little. But this excavation of a number of tombs in the area may change that, impacting Egyptian studies forever.