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.

Jenny Lee start her midwife career at Nonnatus House in London. She is surprised to find that it is a nursing convent and not a hospital. Her first case is a woman pregnant for the 25th time!

Sister Monica Joan seeks advice from a clairvoyant. Matthew is shocked to discover squatters in one of his warehouses, and Shelagh faces the most challenging delivery of her career.

A fun day at the seaside proves traumatic for the Turners and puts May’s future with them in jeopardy. Nurse Crane helps a young couple cope with a rare cancer diagnosis.

It’s April 1970. Rising rates of gonorrhoea in the district cause alarm, and Trixie cares for an unmarried first-time mother recently diagnosed with a mental health condition.

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.

Sister Julienne volunteers to put up four trainee doctors at Nonnatus House while they undertake the practical aspect of their obstetrics diploma, hoping the exercise will remind the council how vital the home is to the community and help remove the threat of demolition.

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.

April 1968. Racial tensions cast a shadow over Poplar, Nancy’s eyes are opened when she supports a dying woman, and Nonnatus House welcomes a new sister.

Sister Veronica is shaken when a mother reveals a terrible truth about her marriage, whilst Shelagh cares for a baby with a life-threatening condition and Nancy harbours a secret.

A pregnant mother with a chronic heart condition falls unwell, Nancy grows suspicious of a young father’s erratic behaviour, and Matthew prepares for a visit from his father.

Poplar’s housing crisis deepens, bringing a sad case to the attention of the team, whilst a worrying disease outbreak directly impacts the residents of Nonnatus House.

In his new role, Cyril faces his toughest challenge yet, whilst Matthew is summoned to a board meeting with his mother. Elsewhere, the pupil midwives prepare for their final exams.

It's March 1970. The team support a pregnant teenage girl whose parents believe in an immaculate conception. Demonstrations cause havoc for the Nonnatus team, whilst Nancy’s relationship blossoms.

The Sisters welcome new postulant, Sister Catherine, to Nonnatus House, whilst a bold intervention boosts numbers for the measles vaccination clinic.

Joyce faces a difficult situation when a mother suffers postnatal complications, a council strike leads to an outbreak of Weil’s disease, and Cyril’s life is turned upside down.

The midwives help a family with a history of drug addiction. Dr Turner and Shelagh take the final steps in May’s adoption, whilst Joyce faces the disciplinary board.

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

An expectant mother with financial struggles enters into a painful arrangement with her cousin. As Tom provides pastoral care, he reveals why this case touched him more than most.

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

It’s September 1966, and at clinic Trixie is tasked with examining a desperate woman who is pregnant with her fifth child. Trixie learns that her patient’s personal life is far from stable, compelling her to speak out publicly. However, the results garner mixed reactions from Nonnatus House and the community. Dr Turner and Sister Frances are entrusted to help a mother-to-be who refuses medical care through her final weeks of pregnancy, and Nancy Corrigan reveals a secret about her background that could threaten her relationship with Sister Julienne and Nonnatus House.

At the monthly cytology clinic, Sister Frances comforts a young woman who is struggling with a life-changing diagnosis. Lucille supports a difficult mother.

Sister Julienne helps care for a first-time mother who is going through a challenging diagnosis. Lucille struggles with her own health, and Poplar celebrates the Whitsun Maypole.

Sister Julienne cares for an expectant mother who has cerebral palsy. Nonnatus House kicks off its new midwifery training scheme with the arrival of four new pupil midwives.

The team help a single mother whose flat is riddled with damp whilst Nancy and Dr Turner care for a Sylheti woman with an undiagnosed illness, and Matthew teaches Trixie how to drive.