The team reunite but all is not well when a change of management shakes up Nonnatus House.

An explosion at the docks brings heartache to the people of Poplar, whilst Sister Ursula continues to ruffle feathers with her unpopular decisions.

The winds of change are blowing through Poplar, as a new government paper calls for the eradication of small hospitals in favour of large general hospitals. Dr Turner and Shelagh are informed that an inspection of the maternity home will decide its fate.