Ben questions whether Sienna wants to marry him at all. At The Loft, Sienna admits to Trevor that she doesn’t want to marry Ben – she wants to be with him! Sienna and Trevor kiss and go into the office, but Grace isn’t far behind. Grace tries the office door… is she going to catch Trevor and Sienna in the act?

Zack's forced to tell parents Louis and Simone that Lisa isn't his sister. Zack urges them to speak to 'fake' Lisa – aka Sonia – before they call the police. Meanwhile, Joanne's just got off the phone to her private detective who's told her where to find Margaret – the woman who abducted Lisa. Later, Simone, Louis and Zack find Sonia at the Boarding House with Jade and want more information about Lisa - Sonia admits Lisa IS still alive. Sonia then begs Joanne to tell the Lovedays she knows Margaret. Will Joanne agree to help?