Sister Monica Joan's mental state seems to worsen and she is found wandering near the docks in her nightie by the police. As a result she catches pneumonia. More trouble finds her when she is accused of theft. The case is brought to trial, the nuns and nurses of Nonnatus House fear that she might go to jail.
Chummy's mother decides to make a trip to inspect her place of work and more importantly, PC Noakes. The visit is a disaster and Chummy breaks off her relationship and even contemplates taking holy orders.moreless
Jenny meets Mary, a young Irish girl who is heavily pregnant and has ran away from a life of prostitution that she had been forced into by a man she loved. Jenny tries to help her in every way she can, though it might not be enough. Meanwhile a new midwife arrives at Nonnatus House, Chummy Browne, who is quite the fish out of the water. Though very eager to start her career as a midwife she makes slow progress, caused by her only passing her exam by a hair and her inability to ride a bicycle, which lands everyone in a spot of difficulty. Chummy struggles to show her worth.moreless
Jenny helps deliver a baby girl to a young couple. However a most horrendous thing happens, the baby is snatched from her pram just outside the couples house. The mother slowly sinks into a depression while the entire neighborhood stages a search party for the young child. Meanwhile Cynthia is thrown into the middle of an heartbreaking case when a young pregnant wife suffers from eclampsia. Cynthia tries to help the womans husband and is touched by the mans love and devotion to his wife. In the meantime the nurses of Nonnatus House go to a dance.moreless
Newly qualified midwife Jenny Lee begins her career at what she assumes is a small private hospital, but which turns out to be a nursing convent called Nonnatus House situated in the East End of London. Initially she has trouble getting used to her new colleagues and the extremely poor surroundings of her patients, but eventually she settles in and is given her first case - the care of a Spanish woman pregnant for the 25th time, a case which is complicated by the fact that the woman does not speak English.moreless
Jenny meets an eighty year old man, the gentle ex soldier Joe, who suffers from terrible leg ulcers. Jenny starts to form a friendship with the old man, but struggles with her revulsion at his filthy living conditions. Trixie and Cynthia deal with an older couple who are surprised by their pregnancy. The husband seems thrilled, becoming a father for the first time so late in his life, but the wife seems troubled by something. An old male friend of Jenny stops by with a favor to ask and Chummy keeps running into the police constable she ran over with her bike.moreless
The brother of the cleaner at Nonnatus House is diagnosed with cancer. Everyone does their bit to help and Jenny provides care for Frank and Peggy and learns they were brought up in a workhouse, a terrible place which still holds influence over both siblings' lives.
Fred's latest money-making venture, a pig called Evie turns out to be pregnant and it is up to the nuns and nurses to help out Evie when she goes into labour.
Meanwhile PC Noakes invited Chummy to meet his mother and Jenny, Trixie, Cynthia and Jimmy go on a trip to the country.