It's the day of the house auction and as bidding gets underway, the tension between Debbie and Chrissie intensifies. However, it looks like they might both be outbid when a mysterious woman rocks up and is only delighted to take the house from under their nose, but who is she? Elsewhere, Harriet is left torn between her plans to start a new life in Oxford and her feelings for Cain. Also tonight, Chas is home at last and only has eyes for one man.