Katy persuades Izzy that her offer to be a surrogate mum isn't so implausible and that they should consult Dr Carter to see what he thinks. Owen spots Gary as he hurries into the medical centre. Izzy, Gary and Katy explain to Dr Carter that they're considering surrogacy. Dr Carter warns them of the pitfalls and the fact each course of IVF will cost £7,000. While Karl is in Rob's office, Eva sabotages the order by swapping the labels on the boxes. Gary insists that they'll find the £7,000 from somewhere. Izzy promises to think about it. Kevin puts up a set of shelves at No.13 while Sophie minds Jack. As the christening party prepares to leave for the church, Owen can sense there's something going on between Izzy and Gary but they remain tight-lipped. Tracy arrives back from hospital with De