Preeran os ja tujhe maf kiya

one night, one decision and one humiliation.
preeta decides she had it all. she was done with dealing with hurt by one person whom she loved. she finally for once becomes selfish and decides to leave everything and go away far where this hurt does not reach. That is what she does.
Karan realizes very late that he had hurt his best friend for something which she never did but before he could anything to have her back. she leaves him and moves away.

what will happen after two years ,karan and preeta meets under unexpected situation?
where one is guilty and wants to make amends and other one does not want do anything