As Chummy and Peter prepare to become parents, Fred has a visit from his daughter Dolly, who also has a baby on the way. Sister Bernadette's health crisis has passed and she will soon be free to leave the sanatorium, but she must now decide whether to return to Nonnatus House or leave the order. Jimmy reappears, accompanied by his handsome colleague Alec, having been tasked by the council to survey the buildings in the area. Alec seems keen on Jenny, and an evening out to a jazz club sees romance blossom. Chummy goes into labour, but there is bad news for the midwives as Nonnatus House is earmarked for demolition.