The Dead girl(Sequel to The Forgotten Girl)(Slow Updates)

Clara Salvatore didn't remember much only she was dying because of her father and she had two brothers Stefan and Damon Salvatore but what happens when she knocks on a door begging for help and Elena Gilbert answers who hates Clara more than anything but what will happen when Elena learns more of her past will they become friends? and most importantly what will happen if Clara finds out what really happened to her.