dark secret is: At night Fiona turns into an Ogre.
love interest between her and Shrek, seemingly implausible to him,
is snuffed out after he mishears her telling Donkey that she could
never love someone who is ugly.
Shrek is rude to Fiona she gets in a strop and goes off with Lord
Farquaad who has turned up to collect her from Shrek, they are set
to marry. Shrek gets his swamp back.
persuades Shrek, eventually, that it is all a misunderstanding and
that she loves him. So our heroes go to the wedding ceremony, just
before dark they marry and she turns into an Ogre before everyone's