Protestantism is sweeping the land and threatens the position of the Catholic morlands, so they must seek new spheres of influence. John, the heir, rides north to the untamed borderlands to wed the daughter of black will...Protestantism is sweeping the land and threatens the position of the Catholic morlands, so they must seek new spheres of influence. John, the heir, rides north to the untamed borderlands to wed the daughter of black will percy, northumberland cattle lord.