This story is set in Ireland during the War of Independence, 1919-1921.
The Players.
An Cailleach, approximately Old Hag in English, is a term found in both Irish and and Scots Gaelic. It carries connotations of divinity or magic.
Volunteers, the name used by Irish national insurrectionists engaged in the War of Independence. After independence, these formed part of the basis for the new National Army which still has the letters IV (Irish Volunteers) on formal uniform buttons.
RIC, Royal Irish Constabulary, an armed police force responsible for crime and internal security. Recruited locally, it was heavily infiltrated by the Volunteers and many members left the organization during the war.
Black & Tans and Auxiliaries. These were paramilitary police recruited in England to support the RIC, notorious for indiscipline, terrorism and extra-judicial killings.