Lucille faces racism and prejudice when a new mother falls ill. Sister Winifred is keen to have fathers be more involved in the care of their babies.

A pregnant mother hears a devastating diagnosis. Fred and Violet organise a beauty contest. Trixie and Christopher's relationship feels the strain.

Sister Julienne is drawn into the heart of a different culture when she is called upon to help a Pakistani family. Having come to terms with her own childlessness, Mumtaz Gani is heartbroken when her husband Saddiq brings home a second wife who is eight months pregnant. Sister Julienne must help Mumtaz come to terms with this new addition to her family.

Lucille must win the trust of a mother who is terrified of giving birth. Nurse Crane and Dr Turner are anxious to find a possible smallpox sufferer.

Barbara gets involved with a recently widowed pregnant woman, and Sister Monica Joan has her cataract surgery.

Dr Turner gets involved with a troubled young man, and Lucille makes new friends. Meanwhile, Barbara lies ill in hospital.

The team must rally to prepare for Sister Monica Joan's birthday. Meanwhile, the closing of a nearby maternity home brings an influx of expectant mothers to the Nonnatus midwives.