Despite their parents' objections, Justin hatches a plan to keep him and Tiffany together. Rhiannon tries her hand at plus size modelling and Hector begs Sue to leave Simon. The Vaughan-Fitzgerald household is in full lockdown following the revelation that Justin and Tiffany have been sleeping together. Justin is furious to find out he's being sent to boarding school and hatches a plan of his own to keep him and Tiffany together. Rhiannon is horrified to see how thin the models are while visiting Gabriella's mum on a fashion shoot but wrestles with her own morals when she is invited to join in as a plus size model. Sue is determined to put her affair with Hector behind her and looks forward to a fresh start with Simon in Wales. But when Hector hears of their plans, he makes an impassioned plea for her to stay.