Five years on the country in is in the midst of civil war with Suffolk and Buckingham among the casualties at the battle of St Albans and the triumphant Plantagenet claiming the throne for the Yorkists. To avoid further bloodshed Henry agrees to make Plantagenrt his heir on his death, angering queen Margaret, who shocks her husband with a violent counter action. However the Yorkists triumph with Edward IV crowned king. Henry, descending into madness, is imprisoned in the Tower of London whilst Margaret and her son seek sanctuary in France. Yet Edward is not without his opponents, led by Margaret, whom he routs at the battle of Tewkesbury, aided by his brothers George, Duke of Clarence and Richard of Gloucester, a victory which will seal Henry's fate since Richard has ambitions of his own.