The Turners support a family still suffering the devastating effects of thalidomide, Miss Higgins is involved in an unexpected delivery, and the community stages a talent show.

Demolition work in Poplar uncovers a long-buried secret that leads to a testing and emotional case for the team. Sister Julienne takes on a sensitive delivery.

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

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.

t's the summer of 1967, and a heatwave descends over Poplar. Sister Hilda and Dr Turner support a young father with a lung condition, and Trixie takes the lead with a struggling first-time mother. Cyril continues to search for a new job that will put his civil engineering qualification to use and pay more so he and Lucille can afford a house deposit, but Lucille receives unexpected news that she must break to him. Meanwhile, Trixie and Matthew's relationship is going well, but Trixie wants a little more romance

Trixie is assigned to a complicated case involving a paraplegic husband. Lucille's attendance at a straightforward delivery takes a distressing turn.

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.

Nonnatus House suffers its biggest threat yet. But this time it's not the bricks and mortar that are in danger, it's the people.

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.