Manorama and S.S.Chandran are grandparents of Pandiarajan. He meets Oorvasi and marries her against the will of Manorama. Hence, he has to leave the house and goes to town. S.S.Chandran, who comes in search of Pandiarajan finds him with a boy and mistakes him as great grandson. This leads to problems in the family. How Pandiarajan solves these problems is the rest of the movie.