The multi-award-winning drama returns. Created and written by Emmy and BAFTA-nominee Heidi Thomas. The medics and midwives of Nonnatus House are entering a bold and innovative era. They face unexpected challenges as the population shifts, rules change, and old diseases come back to haunt them. Alongside the joy and optimism of birth, they must cope with cases including diphtheria, drug abuse, cancer, tuberculosis, and fistula. Meanwhile, their own experiences are fueled by love, loss, and doubt. And the very future of Nonnatus House comes under threat.