Vasanth, the son of a wealthy businessman, is possessive and manipulative. During a trip to Rajasthan, he falls in love with Priya. After an accident, Priya is saved by a blood donation from Vasanth Kumar, whom she does not see but whose name she remembers. Back in Chennai, Vasanth impersonates his namesake to seduce Priya.
Vasanth goes so far as to kill Priya's father and accidentally causes the death of the real Vasanth Kumar to protect his lie. Shocked, he decides to change and takes care of Priya. However, the police discover his crimes. Confronted by Priya, who learns the truth, Vasanth confesses everything. Touched by his sincere love, she forgives him, but the police shoot him. The film ends tragically with Vasanth's death.