On the Isle of Arran, the land of the shamrock and the blarney stone, lives a wee slip of a woman called Katy O'Halloran. Katy, a widow these past fifteen years, raised two strapping sons and sent them off to war never to be returned again. "Gods will be done" said Katy, and went about the business of living as a lone woman. Then, into her life came two more boys, Americans, who had purportedly been friends of her sons...