Harry and Hermione's Unexpected Family Ties

While Harry recovered in the infirmary after Lockhart removed his bones, Harry had several epiphanies. One was about Hermione, and that would change his life. Hermione wonders how this Egyptian vault key had come to her beloved great-grandfather. A bit of bashing of Ginny and Dumbledore, but not the focus. If Hogwarts was the safest place in Britain, it was time to go. AU.