Matt is revealed to be Hilary's son. She initially tries to keep it a secret until he blackmails her, telling her he will walk out on her for good, in turn making Hilary publicly reveal him as her son. Hilary begins a relationship with Kenneth Muir (Roger Boyce); they later split up when he finds out Hilary has been tax evading. Hilary decides to leave Ramsay Street permanently; this angers Paul, after Hilary withdraws her funding of the Robinson Corporation. Hilary suggests Matt come back to Adelaide with her but he decides to stay and she leaves alone. Hilary later makes a cameo appearance in Annalise Hartman's (Kimberley Davies) documentary. She credits her time living in the street as helping her rebuild her relationship with Matt.