'The President declared solemnly, "I promise you that no man's hand shall be raised against this boy. We will send him as our emissary into the land of the Guardian, to ask the help of the Shining One in saving our Valley from the flood." '
Jody is forced to leave the primitive community down in the valley, where the President will not tolerate anyone who questions the strict laws and taboos he invented. But her never imagined Jody would survive the journey to Upper Isis, let alone come to meet the Guardian himself - the Shining One, and Olwien, and thus learn the truth about Isis and his own people.