A potential rabies outbreak causes panic among the residents of Poplar. Trixie cares for a patient experiencing difficult labor. Cyril meets Rosalind's parents, but as the day progresses, the atmosphere becomes brittle and strained.

It's 1971, and a new era dawns with the Women’s Liberation movement in the UK. As the year unfolds, the team faces serious cases, including a premature birth, slavery, carbon monoxide poisoning, male breast cancer, child abuse, and lupus. 

Call the Midwife follows the nurses, midwives and nuns from Nonnatus House, who visit the expectant mothers of Poplar, providing the poorest women with the best possible care.