The vacuum was on. She had never seen it but she had noticed the sound before. Every time it passed over a particular part of the roof it grew louder, only for a few seconds and then just as soon as the vacuum passed over that one spot, she would feel the blood rush to her head, and the sound would stop.
She never understood it, but that sound was the only familiar thing to her, in fact it was the only thing she ever remembered.
…
