Summary: The winter continues, and the team at Nonnatus House welcome their newest midwife, Lucille Anderson. Nurse Crane and Dr Turner care for an elderly cancer patient facing eviction.

Summary: 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.

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

Summary: 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.

Summary: 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.

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

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

Summary: 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.

Summary: As Poplar prepares for Christmas, the nuns leave for the Mother House to vote in a new mother superior and to help care for a group of Chinese orphans. Meanwhile, Trixie returns to Poplar refreshed and is shocked to discover that many mothers no longer want to give birth at home.