It's May 1966 and at clinic Shelagh examines an overweight lady who is expecting her third child. Concerned about her weight gain and subsequent symptoms, she discusses the case with Lucille, who comes across a new discovery.
Dr Turner and Sister Hilda are flummoxed by a young patient whose health presents a series of challenges. They become increasingly concerned and do their best to get to the bottom of her unexplained ill health.
