Powerful historical forces determine the destinies of Hugh O'Neill and Red Hugh O'Donnell before and after the battle of Kinsale. Although a love match, O'Neill's personal life is complicated by his marriage to an English wife, Mabel Bagenal, the daughter of his enemy. O'Neill forges an Irish and Spanish alliance to drive the English out of Ireland while the Archbishop of Armagh is raising questions while writing a history of O'Neill's life. Is history true? Should it be?