Set against the colorful and magical backdrop of Ireland, The Grey Horse chronicles a time when the Irish people suffered under harsh English overlords who sought to destroy their culture and way of life. In the Irish town of Carraroe, a magnificent, completely grey stallion appears. The horse brings with him the promise of better times and magical happenings, for he is actually the shape-shifted form of Ruairi MacEibhir, journeyed to such a time of danger in order to win the hand of the woman he loves.