Mouna Geethangal (English:Silent Music) is a 1981 Indian Tamil language film directed by K. Bhagyaraj. The film stars K. Bhagyaraj himself alongside Saritha. The film was a blockbuster and was remade into Hindi as Ek Hi Bhool in the same year. It was also remade in Telugu as Sathyabhama with Chandramohan and in Kannada as Mane Devru with Ravichandran. The movie was also remade in Malayalam as Chanchattam (1991). Bhagyaraj and Saritha are a married couple. Bhagyaraj is a graduate and works as an administrator in a company. Their marriage comes to an end when Bhagyaraj betrays Saritha for her widowed friend. Bhagyaraj confesses the truth as he gets drunk, and tries to explain himself, and even her family tries to convince her to condone this one little mistake, but Saritha cannot forgive him his unfaithfulness and they break up. After their divorce, Saritha finds out that she is pregnant. She moves into her new home. Five years later, they meet each other in a bus. Coincidentally, Bhagyaraj's new house is close to Saritha's in the same neighborhood. Now when they're neighbours, Bhagyaraj tries to captivate her again and return his family and wife. He gets close to his son . Though his son speaks well with bhagyaraj, saritha dislikes it, telling her (also his) son not to talk with him. As Days passes by saritha keeps on thinking about good things he did to her when he was with her.