Norma was a helpless victim of the masters of time; Jack, who loved her, went willingly into slavery, hoping to find a way to release her from bondage. Both of them should have been destroyed, yet somehow, gaining strength from each other, they managed to retain some measure of their free will. But was it enough to save both of them - and, more important, to save Earth from the monstrous fate that the masters of time had decreed for it?