Dr. Cliff Post and his friend discover a hidden chamber in the right paw of the Great Sphinx. It contains 13 crystal skulls which form a supercomputer. It also contains ancient scrolls which describe advanced technologies. Dr. Cliff is kidnapped by a terrorist group calling itself the Islamic Nation. They force him to use the supercomputer to hack into the Dow Jones computer which causes the Dow Jones average to fall 1000 points. Interpol, the Egyptian police and the F.B.I. rescue Dr. Post.