Nate Cooper (crush) Billie is the younger sister of Martin Ashford (George Mason). After he was released from prison, Ash tried to find his sister. While attending the grave of her brother Luke, Billie is reunited with their older brother, Martin or "Ash". She attempts to drive off, but Ash stops her and they place flowers on Luke's grave together. They reminisce about their childhood and Ash tells Billie that he has been looking for her. She doubts him and tells Ash that she is still with her boyfriend Dean (Kevin Kiernan-Molloy). As Ash shows Billie around Summer Bay, they meet Ricky Sharpe(Bonnie Sveen) who assures Billie that Ash did try to find her. Billie admits that she lied about being with Dean. Ash tells Billie not to feel guilty about testifying against him, and that Dean lied t