Jenny Agutter

The team reunites but all is not well when a change of management shakes up Nonnatus House.

An explosion at the docks brings heartache to the people of Poplar.

A Chinese first-time mother faces an unexpected crisis.

The legacy of thalidomide becomes apparent and Nurse Crane faces an unexpected crisis.

Poplar is shaken as the cause of recent infant deformities is revealed while Nonnatus House is thrown into disarray by a tragedy even closer to home. Meanwhile, the midwives help a young mother who goes into labor at her wedding reception.

A rash of violent attacks on women brings a state of fear to Poplar and impacts directly on the residents of Nonnatus House. A secret pregnancy threatens the life of a young girl, after her mother takes matters into her own hands. Meanwhile, a long overdue holiday for the Turner family fails to live up to expectations.

The pressures of modern Britain reach Poplar as a hospital secondment and a difficult birth raise moral questions for Sister Julienne. Trixie and Tom help a family breaking apart under the pressure of a son's dreams for the future.

A disease outbreak brings back bad memories for Patsy, while Sister Winifred is forced to reconsider her prejudices when dealing with a mother-to-be. Barbara faces a dilemma when Tom asks her to dinner.

As Poplar celebrates a white Christmas, an unexpected SOS call from the Mother House interrupts festivities. Hope Clinic, a tiny mission hospital in South Africa that has links to the Order, is threatened with closure. Sister Julienne swiftly procures the help of Sister Winifred, Trixie, Barbara, Nurse Crane, Dr. Turner, Shelagh, Fred and Tom Hereward and they are soon transported to South Africa to try and save the clinic.

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.