Ayrshire Murders

In 1297, Scottish lawman Kyle Shaw returns home to discover that his estranged father has been killed. But was his father a patriot or a traitor, and how was he connected to the English soldiers who loot and plunder the Scottish countryside at will?
While Kyle seeks to thwart the raiders, someone starts murdering English soldiers from a nearby garrison and mutilating their corpses.
Kyle must balance his duty to the English sheriff with his need to protect his countrymen and clear his father's name.