She's only just got engaged, but Kate is already driving her three friends mad with talk of dresses and flowers. Her fiancé Peter, however, doesn't think there's any need for such fuss. Lia meets a younger man and starts to party like she's 18 again, until she has to give a lesson in sex education at her daughter Emma's school and discovers she knows more about teenagers than she first thought. Meanwhile, Beth agrees to give hospital plumber Rob a second chance and goes on a date with him. And Anji is caught in an awkward situation when both Callum and Beth offer to be her birthing partner.