He wanted her to be the replacement of the one he loves. She give up to make him happy destroying herself in the process. Love is not something you should give selflessly it comes with repercussion, she understood the hard way. In the middle of trust,betrayal, truth and mystery what will he do when she really become her replacement? Will he forgive her? Will she forgive him? Will their relationship mend? Will he love her? Will she still love him? Sometimes giving up on someone is the best option than getting destroyed while being with them.