As Irish rebels prepared to stage the 1916 Easter Rising they were watched. There were two agents reporting to British authorities, revealing where the guns and ammunition were hidden and the names of those on the streets of Dublin who were drilling for rebellion. Who were the spies? 'Granite & Chalk' delves into top-secret British intelligence documents, hidden in an archive for decades, which tell the story of these little-known agents who could have changed Irish history.
