It's now 1962 and times are changing, from the beacon of the contraceptive pill and the shadow of infamous gangsters the Krays, to the new welfare policies introduced by the government. Back in Poplar, when the rather austere Sister Ursula is appointed the new head of Nonnatus House, Sister Julienne finds herself demoted and working back alongside the midwives as an ordinary member of staff. She is not the only one to face challenges closer to home. As they strive to help mothers and families cope with the demands of childbearing, disability, disease and social prejudice, our beloved medics must make choices - and fight battles - of their own. Season 6 sees them laugh together, cry together, and pull together, supporting each other as never before.