Thamizh's love that develops gradually, damaging relationship with his cousin in the process, gets torn around the lovers' conflicting ideas of where his family fits in their nucleus of life. The lover gets married to the estranged cousin, Thamizh gets a wife he considers he is blessed to have had and just when things appear to be settling down, a devastating turn of events shakes his family apart. In his quest for reason, he learns his cousin had something to do with it and teaches the ones involved a 'costly' lesson.