In the first years of the 15th century, England is in the middle of a civil war. Powerful rebels have assembled against King Henry IV in an attempt to overthrow him. They have just suffered a major defeat at the Battle of Shrewsbury, but several rebel leaders--including the Archbishop of York, Lord Mowbray, and Lord Hastings--remain alive and continue to wage war against the king. King Henry, aging prematurely because of his anxiety over the war and...