<p>Threatened by the Duke of York, King Henry makes a deal to disinherit his own son and make the Duke his heir. Queen Margaret is so angered by her husband&#39;s weakness that she declares war on the House of York. As conflict rages throughout England, political and family ties break down with tragic consequences. Can the vulnerable King hold out against the growing menace of the Duke&#39;s son, the future Richard III, to keep his throne - and his life?</p>