Ranganayak, a rich women, has three sons : Gopi, Madhu and Balu. Ranganayaki wants absolutely a grandson and she will pass on her whole inheritance to her son who has a male child. The elder sons have only daughters and Balu is still bachelor. Balu is a singer in the marriage functions and he falls in love with Swathi, a girl from a middle-class family. He gets married with her and Swathi becomes pregnant. Balu's best friend, Raja, an honest journalist, is married to Shanthi and his wife is also