I'm Falling to Pieces

Despite the girl living in Jace's mind, life goes on like normal until the family everyone has feared since before Jace was born returns to the small town of St. Arren's. When St. Arren's awakens with danger, Jace finds himself fighting for answers. Who really is the girl in his head? -He wasn't just her secret, he was just hers. She wasn't just in his mind, she was just his.- AU.