Valerie Dyer oversees the care of an expectant Somali woman and is shocked when she uncovers a troubling aspect of this unfamiliar culture; and the Nonnatus family unites to provide the very best care for Sister Mary Cynthia.
The Nonnatus team prepares for the birth of a baby they know may not survive. Shelagh shows her mettle when she is first on the scene after an explosion in the docks. Sister Ursula continues to ruffle feathers with her unpopular decisions.
In the Season 6 premiere, the team reunites, but all is not well when a change of management shocks Nonnatus House to the core. Sister Mary Cynthia's health takes an unexpected turn as mental illness threatens to derail her.