However , she is devastated when Walter steals money from the nursery and reveals that he is an impostor .
Sonya is delighted when her estranged uncle Walter ( Chris Haywood ) turns up in Erinsborough .
Sonya is devastated when uncle steals money from the nursery and reveals that Sonya is an impostor .
Sonya is delighted when her estranged uncle Walter ( Chris Haywood ) turns up in Erinsborough .