Why the Winchesters? (COMPLETED)

(Completed) Andrea Pilosky has had a normal life, up until her first out-of-state summer vacation, when her brothers and parents are murdered by demons, and she almost gets killed as well. Luckily for her, Sam and Dean Winchester happen to be stopped for the night a few rooms over and hear her scream. They rescue her and take her with them, headed to Bobby Singer's house. But Andy has other plans. She wants to find the monsters that killed her family and kill them, get her revenge. It's a constant battle between the Winchesters trying to keep Andy safe, and Andy putting herself on the line for vengeance. Will Andy be a good enough hunter? Or will she get herself hurt in her efforts? And why did the demons want HER family? My first Supernatural fan-fiction, so hopefully it's alright. I do not own Supernatural or any characters from it, just the Piloskys and random side characters. The sequel is now up, titled Runaway.