there's not a whole lot of warmth. >> despite their surface differences, young diana and young charles are actually pretty united. the desire to feel safe, the desire to control your environment, the desire to be in a solid structure all of that goes back to imperfect parents, unmaternal mothers, distant fathers and the feeling of being an unwanted child. ♪ ♪ >> in 1975 diana's grandfather dies and her father becomes the earl. they had to move to north hampton, the family seat. >> that's a truly great house. it has 13,000 acres of wood land and park land.