Isso é O Link por Alan E. Nourse Disponível no Project Gutenberg .
Combina com a civilização que foge dos invasores, o casal deixado para trás que é torturado, tornado inconsciente, que então se torna Adão e Eva.
The inquisition had been horrible. Their minds had had no concept of such horror, such relentless, racking pain. The blazing lights, the questions screaming in their ears, Frankle's vicious eyes burning in frustration, and their own screams, rising with each question they would not answer until their throats were scorched and they could no longer scream. Finally they reached the limit they could endure, and muttered together the hoarse words that could deliver them. Not words that Frankle could hear, but words to bring deliverance, to blank out their minds like a wet sponge over slate. The hypnotic key clicked into the lock of their minds; their screams died in their brains. Frankle stared at them, and knew instantly what they had done, a technique of memory obliteration known and dreaded for so many thousands of years that history could not remember. As his captives stood mindless before him, he let out one hoarse, agonized scream of frustration and defeat.
....
Blinking dully, the woman crept into the cave after him. Three thoughts alone filled their empty minds. Not thoughts of Nehmon and his people; to them, Nehmon had never existed, forgotten as completely as if he had never been. No thoughts of the Hunters, either, nor of their unheard-of mercy in leaving them their lives—lives of memoryless oblivion, like animals in this green Jungle-land, but lives nonetheless.
Only three thoughts filled their minds:
It was raining.
They were hungry.
The Saber-tooth was prowling tonight.
They never knew that the link had been forged.