Amy McAllister

As Jenny Lee settles into her role, there is a new arrival at Nonnatus House, Chummy (Miranda Hart) . A welcome pair of extra hands Chummy sets about showing her worth, but an overwhelming keenness to please and her inability to ride a bike prove obstacles in gaining the respect of Sister Evangelina. Meanwhile a chance encounter with Mary, a young pregnant runaway, forces Jenny to see an unfamiliar darker side of life.

A baby girl, recently delivered by Jenny, is snatched from her pram, causing great anguish to her family and uniting the local community as they search for the missing child. Meanwhile Cynthia witnesses another type of loss as she assists in the case of soon-to-be parents David and Margaret. Newly married and excited about their future, everything is put in jeopardy when Margaret develops eclampsia.