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.

At Tuesday clinic, Shelagh and Joyce oversee the care of Edna Bristow, a heavily pregnant mother of one, whose husband has left her just days before their baby is due. Edna proves to be quite a difficult patient, but there are greater challenges ahead when it becomes clear that her flat is riddled with damp. Meanwhile, at The Shining Tabernacle church, Mrs Wallace believes there is an urgent need for a church building due to the growing congregation. She's also concerned about worshippers who have stopped attending, and asks Cyril to check in on them. As Cyril connects with the Bristow family, he feels at a loss when he's unable to help, and begins to question his career path.

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.