Lisa is delighted when Kate invites her to a dinner party, but the evening takes an unexpected turn when she meets Kate's charming brother-in-law.

Lisa tries to make amends for her part in Lucinda’s disappearance but is starting to see a different side to Kate and Guy. Loyal husband Joe tells her to focus on their own family – particularly their daughter Sally, who has really taken the events to heart.

A school trip ends in disaster when Lisa discovers the truth about Kate, and Roz walks into a dangerous situation.

Roz deals with the trauma of her attack, while Lisa tries to fix her marriage. With her daughter's return, Kate struggles to keep her web of lies intact.

Kate refuses to lose her husband, Lisa struggles to find her way back to hers and Roz decides it's time to tell the truth.