An expectant father receives a life-threatening diagnosis. Trixie assists a female wrestler after a headlock goes wrong. Dr. Turner learns shocking news that implicates the future of the maternity house.

It’s September 1970 and the local dustbin strike leads to a refuse site established outside Nonnatus House. With Rosalind unwell, Joyce takes over her rounds, including a visit to a rude patient who resents being examined by her.

Trixie speaks out on behalf of a patient, with mixed reactions. Dr. Turner and Sister Frances help a mother-to-be who refuses medical care. Nancy reveals a secret that could threaten her relationship with Nonnatus House.

There are new beginnings at Nonnatus House. Sister Hilda runs a tight ship and Shelagh has joined the team to ease their busy workload. Lucille prepares for her first day back at work, but she is not coping well.

Discover what happens when the cooks have to get out of their comfort zones with a surprise recipe swap challenge. In the second challenge, they must prepare a dish that’s been handed down for generations.

As the summer ends, the pupil midwives prepare for their final while two little brothers are found abandoned at a church. Trixie learns about Matthew’s financial woes. Nancy confronts Nurse Crane for her attitude towards the “Raise the Roof” campaign.

When Richard Alderson needs some help, Helen returns to Heston Grange. Buried family secrets threaten to tear their relationship apart as Richard refuses to let her muck in on the farm. Gerald’s beloved dog, Rock, needs veterinary help, but he is too worried about the operation. Mrs. Hall pushes him to do the right thing.

Defying Siegfried, Tristan coaxes James to try a risky procedure to save a stricken cow. Then James gets a shock from Helen.

James solves both medical and romantic emergencies. Meanwhile, Siegfried, Tristan, and Mrs. Hall also face hurdles.

As war comes in September 1939, everyone faces decisions small and large. Romance beckons for Tristan and Mrs. Hall. TB plagues Helen’s farm.

One of the boys of Buckle’s paper shop becomes unwell. Sister Veronica spearheads a new council initiative to monitor the health of working children in the borough. Trixie is thrown into a challenging case involving an underage mother.

Charlotte and Sidney must reconcile enough in order to search for a missing Sanditon resident. Meanwhile, Tom fights to save Sanditon and his marriage, and Edward and Clara hatch a cunning plot to seize Lady Denham’s legacy.

Alison gets ready to leave Sanditon with her dreams in tatters. Charlotte considers what her future will look like, while Georgiana learns some shocking truths, and Esther faces a bleak future. With so much at stake, will anyone have a happily ever after?

Charlotte desperately wants to tell Colbourne the truth about her feelings, but a shocking revelation stops her in her tracks. Having opened her heart, Georgiana’s worst fears are realized when she discovers she has been abandoned.