Young couple Vinodh, Lakshmi (Sathyaraj, Suhasini) with their beautiful child (Sindhu) goes to a party. Their daughter (Sindhu) falls from the boat in the water and dies. Because of which their life becomes miserable. After four years they're adopting a child (Teenu) from an orphanage. They're living happily with that child.

Alex (Raguvaran) enters into their life telling that Teenu is his wife Daisy's (Rekha) daughter. He tells them that his wife's become mad as she's lost her child and asks for the child Teenu. But Lakshmi refuses to give the child.  Lakshmi decide to go off from that place where they are. But the next day morning Lakshmi drives the car to the mental hospital where Mercy is. She gives off the child Teenu to her mother Mercy, and comes out with the satisfaction that she's given the child to her real mother.