CONTRACT - third party mortgages given over time to bank by former solicitor and his wife as security for loans to them in connection with progressive purchase of portfolio of real estate and for financial accommodation to him for his legal practice - funding by bank of advances by solicitor for his clients' disbursements - also mortgage by solicitor and his mother over townhouse occupied by her and later by them, as security for loan by bank for its acquisition and for financial accommodation to him for his legal practice - wife and mother seeking setting aside of mortgages for breach of duty of disclosure and unconscionable dealing by bank and pursuant to Contracts Review Act 1980 (NSW) - wife also relying on Yerkey v Jones - [1998] FCA 1361 - FCA 1998 case summary — Zoe