As Poplar prepares for Christmas, Sister Monica Joan fears this could be her last. Dr Turner and the midwives deal with a complicated multiple birth, and Cyril helps a war veteran.

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.

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.

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.

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.

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.

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.

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