Anna flies home from a family holiday to help 'save' her brother Kingsley's marriage. Kingsley's wife, Dolly has just found out he has been having an affair with their live in nanny Gabriela and is threatening to leave him and take the children. While Dolly's sister Kitty has just become engaged to music producer Skeet and wastes no time in telling everybody she knows. She hastily plans an engagement party, much to the surprise of her parents Catherine and Phillip.