placebo's machine

Evangeline has never had any doubt to who she is. Her home is the Facility- she's heard about the sun and sky, but never seen them, though she doesn't want to. She has no family. Evangeline doesn't even know her age.
But these are explainable to her- Evangeline is a Cyborg, created by Them to bring order to the dying world. They run constant tests on her to improve her physique, nothing out of the ordinary at all.
Except it is. Because one day, during a normal test, Evangeline overworks her circuits and burns herself out.
She should have died that day.
But she did not.
Because Evangeline is not a robot after all.
In fact, none of them are.