Despite the closure notice, a new cohort of junior doctors joins the midwives, including Timothy, who observes the contrast between clinical medicine and compassionate care at Nonnatus House. Violet announces her plan to shadow the midwives.

Joyce faces a disciplinary hearing over a recent complaint. Dr. Turner volunteers at a methadone clinic to treat heroin addiction. Meanwhile, the Turners get news of May’s adoption hearing, and Sister Catherine is invited to take her first vows.

In the season finale, Nonnatus House struggles to come to terms with Nancy’s revelation. Poplar’s housing crisis worsens, leaving the Nonnatus team vowing to fight for change. The birth of a very special baby leads many people to count their blessings.

An unforeseen event in Poplar means that Nonnatus House suffers its biggest threat yet. Timothy returns home from university after falling ill. Sister Hilda and Sister Julienne expect more from Nancy and decide to show her what she is capable of.

See how the home cooks put it all on the plate in their last chance to impress before the finale. From carne asada tacos to corn chaat to chicken chapli, the cooks prepare dishes inspired by a close friend and recipes that changed their lives.

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

James tries to get home for Christmas and Skeldale House prepares for a new arrival.

Siegfried hosts a Christmas eve party, with an even bigger event to follow the next day. Helen accompanies James on an emergency house call.

James and Helen question their future together as Christmas approaches, while things look grave for one of Darrowby’s most beloved animals.

It’s Christmas at Skeldale and Siegfried has to decide whether to protect Tristan at the cost of River’s welfare. Mrs. Hall realizes she has to face her feelings for Gerald.

Preparations for Trixie and Matthew’s wedding are underway as a joyous occasion that brings the community together. Nancy visits a homeless family, and it is not long before their plight is brought to the attention of Nonnatus house.

With Sanditon’s regatta fast approaching, the success of the resort hangs in the balance—as do a number of romances. How will Charlotte, Sidney, and others fare in the sport of love?