The lead role was initially given to Jyothika, who later opted out of the project because of her pregnancy.
The movie ends showing Natesan and Sala leading a happy life again. Natesan agrees and moves back to Karaikudi. Ramalingam explains the disorder to Natesan and mentions that the best cure for her would be to lead a happy life surrounded by relatives. One day, Sala consumes too much of sleeping pills to come out of her depression, but Natesan spots her lying in bed and rushes her to the hospital. Ramalingam (Jayaram) sees Sala and understands that she is suffering from a disorder and warns Natesan, but he does not take it seriously. One day, she records a neighbour’s child’s laughter sound following which the child faints.
and listens to the recordings when alone. She also starts recording all the sounds around her such as birds chirping, etc. purposefully in their home so that the nearby electrician, Karuppu ( Ganja Karuppu), can come to fix them, and at least she gets a chance to speak to someone. Slowly, Sala gets psychologically disturbed due to loneliness, and she behaves as if the house is filled with so many people. Natesan also gets busy with work and has very little time to spend with his wife. Their house is located in a remote place with no friends and neighbors. Over there in the hill station, Sala feels lonely and gets bored, and she longs for the life that she had in Karaikudi. Although Sala feels sad leaving all her relatives, she also goes with Natesan to the hill station. Natesan feels happy as he believes that this will provide him time to spend with Sala. Now, he gets transferred to a hill station named Attakatti, near Pollachi. Natesan feels sad that he does not get private time to spend with his wife as they are always surrounded by relatives. All the family members are also impressed upon seeing Sala. When Sala and Natesan go on a honeymoon, Sala purchases gifts for everyone in the family. Sala loves being accompanied by all the relatives in Natesan’s home. Sala is surprised to see so many people living as a joint family together, and she is very much impressed and agrees for the wedding. Sala and her family meet Natesan’s family in a function.
Sala’s parents start searching for a groom and get a reference for Natesan. Sala feels bored while being alone and always prefers to have her friends surrounding her.
On the other hand, Visalakshi aka Sala ( Sneha) is the only daughter to her parents, and she is about to complete her college education in Karaikudi. Natesan ( Cheran) works as an engineer in an electricity board in Karaikudi and leads a joint family with more than 30 of his relatives living in the same house. Chettinad Palace in Karaikudi seen in the film.