This play is full of couples - and some of them are not very happy. However, in the end, with a bit of help from the fairies, everything is sorted out.
If you are thinking of pretty creatures with wings and magic wands, think again. Shakespeare's fairies argue and fight as much, if not more than human beings - and they are not above playing some nasty tricks. But as Puck says when he apologizes to the audience at the end, it is probably best not to take all this too seriously. Perhaps it was all a dream...