Sister Veronica must decide her future as the maternity home prepares to close its doors. The Mullucks fight for the rights of all thalidomide victims.

Dr Turner is horrified to realise he may be partly to blame as the cause of the recent rise in birth deformities comes to light, and tries to prevent further cases. Sister Evangelina returns to work, but has clearly been affected badly by her stroke, and her health continues to deteriorate. A pregnant bride goes into labour during her wedding reception, while her mother is forced to come to terms with her grandchild being conceived out of wedlock.

Nonnatus House struggles to come to terms with Nancy’s revelation. With Sister Julienne taking her annual leave at the Mother House, Sister Hilda relishes the chance to cover and impress with her leadership. While attending an expectant mother, Sister Frances and Trixie are appalled to learn that Poplar’s housing crisis is worsening, leaving the Nonnatus team vowing to fight for change. It’s a poignant time for the Turner family as Timothy readies to leave for medical school in Edinburgh and Cyril receives news from home, prompting him and Lucille to consider their own future. Meanwhile, a very special baby is born, who causes a rift in a close-knit family and leads many people to count their blessings.

Dr Turner experiences the biggest test of his career, while Trixie’s approaching nuptials cause stress levels to escalate. Sister Julienne hatches a plan to save Nonnatus House.

Nonnatus House welcomes two new nuns. Valerie deals with a shocking case that arrives unexpectedly, and the other midwives must handle a complicated multiple birth.

Tragedy strikes a local family, and Dr Turner’s actions come under scrutiny. Sister Julienne must make a decision.

An unexpected turn of events leads to a wedding being hastily arranged. Shelagh finally goes into labour. The arrival of the pill leads to unforeseen consequences.

The winds of change are blowing through Poplar, as a new government paper calls for the eradication of small hospitals in favour of large general hospitals. Dr Turner and Shelagh are informed that an inspection of the maternity home will decide its fate.

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 Julienne decides it is time to take matters in hand when a letter arrives from the council saying that it will cut funding to Nonnatus House and no longer pay for the accommodation, and goes to see Violet at one of her open sessions as a local councillor.

At the Turners, Shelagh receives a phone call from the Hong Kong adoption agency, which has the alarming news that someone from May's past has arrived in the UK and wants to see the little girl.

A new medical technique threatens to change the face of obstetrics forever, whilst a potential rabies outbreak has Poplar in a state of fear. Cyril meets Rosalind’s parents.

Miss Higgins receives an unexpected visitor, and Sister Monica ruffles feathers. Poplar votes for its Mother of the Year.

Sister Catherine is distraught when a newborn baby is snatched from the maternity home, and the Turners grow increasingly concerned for Christopher's well-being.

Poplar is rocked by a series of violent attacks on women, and a prostitute is too ashamed to report what she knows - but her actions lead to a dangerous man roaming the streets, with devastating consequences for the residents of Nonnatus House. A mother tries to keep her daughter's pregnancy a secret to avoid gossip, putting her life in danger. The Turners go on a long overdue holiday, but the weather ruins their plans.

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.

Nonnatus House welcomes a new recruit, Nurse Valerie Dyer. A vulnerable young man captures Fred and Violet's hearts, whilst the whereabouts of Sister Mary Cynthia is a concern.

Jenny is assigned to first-time mother Jeanette, who requires frequent visits during a protracted labour, and when she meets her patient's cousin, Philip, a new friendship begins to grow for the midwife. Meanwhile, Chummy worries about her mother's illness when she discovers Lady Browne has discharged herself from hospital.

Nurse Crane helps a struggling first-time mother accept her baby’s birth defect, and Violet’s bid to be mayor is thrown into turmoil by unforeseen circumstances.

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.

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

Nonnatus House faces its darkest day after a tragic incident in the heart of Poplar. As the community rallies together, the team must overcome personal anguish to help the injured.

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.

Trixie and Sister Mary Cynthia help a deaf-and-dumb woman, and Barbara has a baffling case. Meanwhile, Fred's daughter arrives from Birmingham and interferes with his and Violet's engagement, and Delia has a proposal for Patsy.

The Nonnatus team grow increasingly concerned for the welfare of four young children. Sister Catherine faces her first solo delivery, and the midwives attend a women’s lib meeting.

Rosalind’s skills are tested when she is drawn into an unusual domestic case. Joyce is seconded to the hospital and befriends a single mother with a rare blood group.

November, 1970. The challenges of midwifery hit close to home when a mother and baby home is evacuated. Nancy’s wedding plans take a surprising turn, and Sister Catherine takes her first vows.

Sister Hilda digs deep to give her terminally-ill patient her final wish whilst the Turners must prepare to say goodbye to May. Fred and Reggie are keeping secrets from each other.

Valerie Dyer cares for a pregnant Somali woman and is shocked by aspects of this unfamiliar culture. The nuns and midwives try to provide the best care for Sister Mary Cynthia.

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

The Nonnatus team help a young father come to terms with a life-threatening diagnosis, and Trixie uncovers a mystery illness in a female wrestler.

Shelagh organises a special celebration to mark 100 years since the Order first arrived in Poplar - although Sister Hilda feels that she should have been in charge of the festivities. Nancy tackles the plight of meths drinkers living rough in Poplar, and Nurse Crane treats a young singer who is torn between two very different futures.

The introduction of the contraceptive pill is welcomed by Dr Turner, but some of his colleagues are less keen on the idea. Patsy tries to help a bargee who wants to give birth among her own community rather than in a maternity ward. Nurse Crane deals with an emergency during a storm, and a familiar face returns to Nonnatus House - but has been changed by her time away.

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.

Lucille helps elderly hoarder Clarice Millgrove who is struggling to keep her independence; Sister Hilda and the team work hard to help a Ghanaian family with an undiagnosed illness; Violet puts herself forward in the upcoming elections.

Chummy makes an important decision, Jenny reconnects with Jimmy, and Cynthia's conduct is called into question after the death of a baby she delivered.

Sister Julienne receives an SOS from Holloway Prison, whose usual maternity workers have been struck down by illness, and when she and Trixie step in to help, the nun puts her reputation on the line to prevent a heavily pregnant convict having her unborn baby taken away by social services. Shelagh faces heartache when a routine pregnancy check reveals something far more serious, Alec has a confession for Jenny and Fred takes the gang to the theatre to celebrate Chummy's birthday - only for the trip to end in disaster.

When Peggy’s brother is diagnosed with cancer, Jenny and the nuns are called upon to care for him. Jenny gets to know the siblings better. The Nonnatus House residents get involved in Fred’s latest money-making scheme which involves a pig called Evie.

Trixie's feathers are ruffled when Jenny is promoted, but the new Acting Sister has more to worry about after a mother-to-be reveals the baby she is carrying doesn't belong to her husband - and to complicate matters, the real father is black. Cynthia is inspired by a lecture on natural childbirth, convinced it will help an overly anxious patient, while Alec and his friends try to persuade Jenny to join them on a CND march.

A baby girl is snatched from her pram and the local community unites for the search. Cynthia sees another sort of loss as she tends to soon-to-be parents David and Margaret.

Jenny is seconded to a short-staffed hospital in London, but grows increasingly reluctant to carry out her duties when she finds out she is working under intimidating surgeon Mr Tracey. Back in Poplar, the midwives are introduced to newcomer Jane and outspoken twins Meg and Mave Carter. The sisters are identical in every way, except one of them is now pregnant - forcing them to come to terms with the impact a baby will have on them.

Jenny celebrates her birthday with Chummy and the girls, but soon after finds herself taking care of a patient in an abusive marriage.

A chance encounter with an impoverished child forces Trixie to see an unfamiliar darker side of life. As Nonnatus House welcomes a new resident, Nurse Barbara Gilbert, Tom Hereward has a surprise romantic gesture in store for Trixie.

Rosalind oversees the care of a teenage mum and uncovers a disturbing truth. Trixie and Matthew struggle with their change in fortune whilst Joyce receives an unexpected visitor.

Sister Julienne cares for a pregnant prostitute, while Dr Turner puzzles over a mysterious string of symptoms.

Mother Mildred decides it’s time for Sister Frances to attend her first solo birth. Trixie consoles a patient who discovers she has gonorrhea.

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

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.

The nuns and midwives are busy preparing for Sister Evangelina's surprise jubilee celebrations, marking 50 years since she took her vows, but a face from the past threatens to ruin the party for the guest of honour. It's back to business when a young woman with Down's syndrome is brought in feeling unwell. To everyone's surprise, they discover she is six months pregnant, causing some of them to think the worst, and the staff are joined by new nurse Patsy, whose sense of humour and no-nonsense attitude make her an instant hit.

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.

Nonnatus House prepares for the annual summer fête, but when a baby show is announced, the girls must find a host for the proceedings. Meanwhile, a patient of Jenny's puts her life at risk, and Sister Bernadette remains troubled.

After the closure of Nonnatus House, the nuns and midwives finally move into their new premises. Sister Winifred arrives from the Mother House. Jenny is worried about new mother Merle’s mental state and the welfare of her baby who isn't feeding properly. Dr Turner is worried that it could be something more serious.

The maternity home is thrown into chaos by an outbreak of gastroenteritis, and Nurse Crane fights to save her career. Meanwhile, Cyril encourages Reggie to seek help.

Doctor Turner is concerned by the spread of tuberculosis in the community, Jenny tries to repair a father and daughter's fractured relationship, and Sister Bernadette receives devastating news.

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.

When Chummy's imperious mother visits and disapproves of Peter Noakes, Chummy defies her mother and has her wedding on her own terms. Senile Sister Monica Joan is arrested for shoplifting.

Cynthia has to administer daily insulin injections to diabetic John Lacey, a bully who consistently belittles his wife Annie. When Annie’s beloved son Bob pays a visit, Annie gains the confidence to start to turn her life around. Jenny looks after a black mother to be, Monique, who is subjected to racial prejudice from her neighbours.

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.

Tom, the local curate, asks Trixie to join him for a day of cricket. She accepts, but the date is disastrous. Shelagh decides to talk to Dr. Turner about adopting a baby. Patsy, struggling to adapt to the unpredictable and chaotic life that midwifery brings, upsets a young mother in the clinic.

Sister Hilda and Dr Turner support a young father with a lung condition whose wife is planning a home birth, and discover he is also coping with the repercussions of a past trauma. Cyril looks for a job that will put his qualifications to good use, a first-time mother struggles to bond with her daughter, and Fred comes up with a way to keep the wards cool during a summer heatwave.

The Nonnatus team rallies to support first-time parents Marie and Tony Amos when Tony is arrested for gross indecency with another male. Elsewhere, as Poplar is gripped by an outbreak of dysentery, Trixie undertakes her first official church duty since her engagement to Tom.

Dr Turner and Nurse Crane must deal with an alarming outbreak of diphtheria. Fred finds an abandoned baby in a dustbin, and the team must help locate its mother.

A friend of Chummy's, Reverend Applebee-Thornton, comes to stay at Nonnatus House and soon gets on everyone's nerves. Meanwhile, Jenny and Sister Evangelina deliver a baby with spina bifida, and Sister Bernadette plays matchmaker.

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.

Trixie makes a serious mistake at work, whilst the team work hard to help a Biafran family. Nancy delves into her family’s past as the world celebrates the moon landings.

Poplar welcomes a brand new cervical cancer-screening clinic to the Institute and Dr Turner, Shelagh and Trixie are pleased to be part of the exciting new venture.

Jenny does some district nursing to extend her community practice experience and befriends an old soldier with awful leg ulcers. Trixie and Cynthia enrol Winnie Lawson as a new patient.

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

Trixie has been assigned to a complicated case involving a crane driver who was injured in a workplace accident and is now paraplegic. Meanwhile, Nancy and Sister Frances give a talk on the facts of life at a primary school, and Lucille's attendance at a straightforward delivery takes a distressing turn. Shelagh decides to organise a jumble sale to raise money to fix some broken playground equipment in the park. When Sister Julienne finds a suspicious item, chaos ensue