Doctors travel to the home of engaged couple Eileen and Peter, who live together in Balbriggan, Fingal. Eileen has a condition called fibromyalgia, which causes her widespread pain and fatigue, while Peter admits that, as well as being underweight, is also a smoker and has had alcohol problems. The medics come up with ways to transform the household's diet, and remain in the property to oversee changes that could have a positive effect on their long-term health. Last in the series.