Sister Julienne and Dr. Turner clash over whether to provide a private care service, and a distressing birth raises fears of another Thalidomide case.

Sister Frances finds herself in a tricky situation when a pregnant woman confides in her. Sister Julienne’s new venture hits a stumbling block.

Sister Hilda and Dr. Turner are involved with a young woman whose health presents a series of challenges. A complicated pregnancy leads the Nonnatus team on a path of discovery.

It’s July 1966, and Britain is in the grip of World Cup fever. New pupil midwife Nancy makes quite an impact.

Sister Julienne is concerned when a toddler displays troubling symptoms. Shelagh and Nancy handle a teenage pregnancy, while the Turners receive exciting news.

Sister Frances treats an expectant mother whose behaviour masks deep psychological trauma. Meanwhile, Trixie is compelled to publicly speak out on an important issue.

While Nonnatus House struggles to come to terms with Nancy’s revelation, the housing conditions in Poplar reach crisis point. A birth causes a rift in a close-knit family.