The Nonnatus team grow increasingly concerned for the welfare of four young children. Sister Catherine faces her first solo delivery, and the midwives attend a women's lib meeting.

A new medical technique threatens to change the face of obstetrics forever, whilst a potential rabies outbreak has Poplar in a state of fear. Cyril meets Rosalind's parents.

Rosalind's skills are tested when she is drawn into an unusual domestic case. Joyce is seconded to the hospital and befriends a single mother with a rare blood group.

Sister Catherine is distraught when a newborn baby is snatched from the maternity home, and the Turners grow increasingly concerned for Christopher's well-being.

Tragedy strikes a local family, and Dr Turner's actions come under scrutiny. Sister Julienne must make a decision.

The Nonnatus team help a young father come to terms with a life-threatening diagnosis, and Trixie uncovers a mystery illness in a female wrestler.

A cohort of junior doctors join the midwives on their district rounds, including Timothy Turner, while Violet turns her hand to midwifery.

Sister Veronica must decide her future as the maternity home prepares to close its doors. The Mullucks fight for the rights of all thalidomide victims.