Who Am I

This story is about a young girl who was abandoned at a young age but can't remember anything except the man who took her in as his own. Years past and Cadenza grew up with one older brother Laurence and a father who loved her to extreme lengths.
But one day Laurence died in a car crash and Cadenza was attacked by a trained mysterious man. She then discovers it was her father who sent the man to end her life. After that incident Cadenza was left broken with no one to trust or Love. But one brave boy entered her life and changed it forever.
What will Cadenza do now?
Can she really trust the young boy who saved her?