It is 1665 and London faces two deadly threats - the devastating plague, and dangerous rumblings of a rebellion against the King, Charles II. In the frontline of the plague, the 'first responders', are the ancient women of the parish: the Viewers, Keepers and Searchers, who must deal with the sick, the dying and the dead. Political and religious differences split the city. Some yearn for the days of Oliver Cromwell and the Puritan Commonwealth, others...