Valerie helps a mother of five come to terms with her latest child's birth defect. The Turners oversee a measles vaccination trial at the clinic, but are concerned by an overly anxious first-time mother. They soon discover she is concealing a devastating loss, which could have serious repercussions. Nurse Crane decides to bring a taste of the seaside to Poplar for the Whitsun bank holiday, and Violet's political career goes from strength to strength as she wins the seat on the council for Poplar North.