It's December 1968. The countdown to Christmas is on, as is the launch of Apollo 8's moon mission. Sister Monica Joan is convinced this could be her last yuletide and that she will not live to see man walk on the moon.

It's December 1968. The countdown to Christmas is on, as is the launch of Apollo 8's moon mission. Sister Monica Joan is convinced this could be her last yuletide and that she will not live to see man walk on the moon.

Midwives begin new training program. They assist cerebral palsy mother through challenging childbirth.

Shelia and Joyce care for pregnant Edna. Mrs Wallace wants a church for the growing Shining Tabernacle. She asks Cyril to check on absent members. Dr Turner and Nurse Nancy treat young Sahira's worsening symptoms.

The pupil midwives reach their third month of training, Trixie's home life affects her concentration, and Nancy decides to learn more about her mother.

A day at the seaside proves traumatic for the Turners, while Phyllis helps a young couple cope with a diagnosis.

Cyril meets his toughest challenge yet, Matthew is forced to face reality, while the pupil midwives prepare for their final exams.

Trixie and Matthew struggle with their change in fortune, Joyce receives an unexpected visitor, and while caring for a teenage mother, Rosalind uncovers a disturbing truth.

The Turners receive a surprising request, Millicent faces her past, Joyce and Trixie are forced to fight their respective battles, and Poplar elects Mother of the Year.