The mysteries of an ancient Clans pact deepen beneath the horrors of WWI as Irish rebels march toward revolution. They strive for entente with the Huns, led by Irish patriot Roger Casement in Germany, to support the Irish Revolution starting with the 1916 Easter Rising. Irish Republican, Tadgh McCarthy and his companion Morgan fight for life, love, freedom and the moral truth in the trenches of Belgium while Irish-Canadian Collin O'Donnell agonies over whether his sister Claire is still alive in Ireland and in peril, as he struggles to honor his marriage vows in Toronto. How are they all related?