Sophie has a panic attack while shopping for engagement rings and wonders if she is making a mistake. She later learns her parents have separated. Matt begins an affair with Tiffany, while Bec believes their relationship difficulties are over. When she finds a sketchbook for their ideal home, she tells Matt they should finally get started on it. Jenny spends time with Tilly and her father, Glenn. Frances is relieved when Zach states that he does not want to get married again.