After Richard II is deposed and dies in Pontefract Castle under mysteriouscircumstances, his cousin, Henry of Bolingbroke (by marriage the Duke ofLancaster), becomes Henry IV [1399-1413]. From his usurpation of the crownarises the dispute over succession which will eventually lead to the War ofthe Roses. Henry spends most of his reign fighting those who had helped him.Adding to his problems is his rebellious son, Harry, whose reckless conductand disreputable friends causes scandal. But when Harry becomes Henry V[1413-1422], he proves himself an able soldier when he recaptures Normandy.He marries Catherine of Valois, daughter of Charles VI, but reigns only nineshort years before his death.