Annie, Francie and Archie were inseparable growing up, but in 1914 the boys are seduced by the drama of the Great War. Before leaving their small Irish village for the trenches, Francie promises his true love Annie that he will bring her little brother home safe.

Six years later Francie is on the run, a wanted man in the Irish war of Independence. He needs Annie's help to escape safely across the border, but that means confronting the truth about why Archie never came back....