While in Jaipur for a music competition, young Vasanth (Vijay) falls in love with Priya (Kausalya). When Priya gets into a serious accident, Vasanth's friend Vasanthkumar donates blood to save her life, but Vasanth claims responsibility for the noble act. Deeply obsessed with Priya and determined to marry her, Vasanth goes to extraordinary lengths to keep their relationship going and hide all his terrible lies.