An archaeological expedition led by the famous explorer Porter Stone is looking for the burial place of the Egyptian pharaoh Narmer, the great ruler who united the country more than 5 thousand years ago. Stone is sure: a unique artifact is buried with the pharaoh - the double crown of the United Egypt. After all, not a single piece of the ancient crown of the pharaohs was discovered in any royal burial discovered earlier, in any museum or private collection in the world. The archaeologist believes that this artifact has unique power. Stone is also sure that the tomb is guarded by an ancient curse. But even he does not know what destructive power is ready to fall on the daring one who dares to open the third gate of the tomb...