The trilogy continues with Ellen Jamesa Gnor-humans able to contain many Middle Eastern terrorists, but encountering an unrelated problem on both Mars and Earth, affecting a growing number of Gnor-humans. In desperation, they enlist help from the brilliant scientist, Jol, who returns to Earth from Mekan to try to solve the growing loss of Gnor-human lives to an unknown phenomenon decimating their ranks. Eventually all Gnor-humans have to return to Mekan for their only chance for survival, and only Ellen and her original group are able to remain on Earth to continue their work shepherding the Earth people.