Katie keeps her affair with a patient secret. Lawyer Siobhan is tired of trying to become pregnant by her husband, and is instead interested in a work colleague.

Jessica is jealous of Alex's show of love for Lisa at their wedding and ends up sleeping with a wedding guest. Meanwhile, Katie attempts to suppress her feelings for Sam by hooking up with a man in a bar, and Trudi panics about her body when Richard comes over for a romantic evening - and resorts to a body wrap that goes horrible wrong.