whatever happened to love??

when elena breaks up with a guy she was serious for... she is determined to prove it to him that he lost the best thing in his life.. she intends to make him beg and then reject him. the sweet and polite girl has turned cold hearted. but what happens when meeting him again after years makes her feel like standing in a circle of emotions ? is it love or is it just a habit that makes her forgive him again and again...?