▁street ▁by ▁his ▁ro ving ▁film ▁crew ▁and ▁interview ed ▁by ▁him ▁about ▁young ▁people ' s ▁views ▁on ▁convention . ▁D iana ▁is ▁invited ▁to ▁watch ▁the ▁final ▁edit ▁in ▁the ▁TV ▁studio , ▁and ▁there ▁their ▁relationship ▁starts . ▁After ▁l ia isons ▁in ▁ble ak ▁hotel ▁rooms , ▁they ▁leave ▁their ▁sp ouses ▁( and , ▁in ▁Robert ' s ▁case , ▁children ) ▁and ▁move ▁into ▁an ▁a partment . ▁ ▁As ▁a ▁couple , ▁they ▁become ▁part ▁of ▁the ▁fashion able ▁London ▁media / arts ▁set . ▁Initial ly , ▁D iana ▁is ▁je alous ▁when ▁Robert ▁sees ▁his ▁wife ▁( Paul ine ▁Y ates ) ▁while ▁visit ing ▁his ▁children , ▁but ▁she ▁quickly ▁los es ▁this ▁attachment ▁when ▁she ▁mix es ▁with ▁the ▁pre dat ory ▁males ▁of ▁the ▁media , ▁arts ▁and ▁advert ising ▁scene , ▁particularly ▁Mil es ▁Brand ▁( La ur ence ▁Har vey ), ▁a ▁powerful ▁advert ising ▁executive ▁for ▁the ▁G lass ▁Corporation ▁who ▁gets ▁her ▁a ▁part ▁in ▁a ▁tr ash y ▁thr iller ▁after ▁she ▁has ▁sex ▁with ▁him . ▁The ▁book ish ▁Robert ▁pre fers ▁the ▁quiet ▁life ; ▁it ▁is ▁he ▁who ▁now ▁becomes ▁je alous , ▁but ▁increasing ly ▁det ached , ▁de pressed ▁and ▁lon ely . ▁ ▁D iana ▁att ends ▁a ▁high - class ▁char ity ▁draw ▁for ▁world ▁hung er ▁for ▁which ▁she ▁is ▁the ▁face . ▁The ▁event , ▁ad orn ed ▁by ▁giant ▁images ▁of ▁African ▁fam ine ▁vict ims