With the mocan relics, the ransom price for the return of Rima Barton Nyland Smith and Dr. Petrie enter the King's Chamber at the Great Pyramid of Giza and discover Fu Manchu calmly awaiting them. The exchange made, Smith, Petrie and Rima return to the outside where Petrie and Sean Greville hurry Rima off to the nearby hotel. Returning to the pyramid Petrie and Greville learn that though the building is entirely surrounded by police and has been searched Fu Manchu cannot be found...