It is May 1968, and the Nonnatus team are faced withchallenging cases, one of which is much closer to home asLucille struggles with her own health. At a coffee morning forexpectant mothers, Sister Julienne meets heavily pregnantLilian Reynolds, who is expecting her first child. However,after Lilian experiences some breast discomfort, she receivesa devastating diagnosis.Meanwhile, Shelagh is organising theWhitsun Maypole celebrations at the eleventh hour. She enlistsCyril, Fred, Dr Turner, Sister Monica Joan, SisterVeronica, Nancy, Violet and Miss Higgins to help, but thepreparations for a Maypole dance routine are far from smooth.