I'd trade all my tomorrows for just one yesterday

What if you wake up and know nothing about you. Where you are, where you come from and even what your name is? A girl suddenly wakes up in an unkown home and has to find out something about her past - which was very traumatic. And then also slides right into a dangerous combat. But it was not a coincidence that she woke up in the Stark Tower. That's for sure. ( Just fiction )