She is Snape's hidden daughter and has the bloodline of Eastern prophecy. She has been a childhood sweetheart with Draco Malfoy since she was a child. After entering Hogwarts, she not only wants to uncover the secrets of her father's life, but also uses the love and wisdom from the East to pull her lover back from the cliff and save her father who has sunk into darkness in the torrent of destiny that is doomed to tragedy.