Sonya is delighted when her estranged uncle Walter ( Chris Haywood ) turns up in Erinsborough .
Toadie organises a surprise vow renewal ceremony and Sonya gets her memory back .
Toadie is delighted when Sonya 's estranged uncle Walter ( Chris Haywood ) turns up in Erinsborough .
Toadie organises a surprise vow renewal ceremony and Sonya gets her memory back .