A British archaeologist --- a member of an expedition gone missing for over two years --- stumbles out of the Egyptian desert. Before he can explain what happened to his team, he dies. But his remains hold a terrifying discovery that only deepens the mystery: something had begun mummifying his body while he was still alive. Commander Grayson Pierce of Sigma Force is tasked with uncovering the truth behind the brutal murder and discovering the fate of the missing team. He and his allies must confront a danger that will unleash a cascading series of plagues around the globe, culminating in a scourge that could kill all of the world’s children…and forever end mankind’s future.