Ranganayak, a wealthy girls, has three sons : Gopi, Madhu and Balu. Ranganayaki needs completely a grandson and she's going to cross on her complete inheritance to her son who has a male baby. The elder sons have solely daughters and Balu continues to be bachelor. Balu is a singer within the marriage capabilities and he falls in love with Swathi, a woman from a middle-class household. He will get married along with her and Swathi turns into pregnant. Balu's greatest buddy, Raja, an sincere journalist, is married to Shanthi and his spouse can be pregnant. Swathi and Shanthi ship the identical day. Balu has a daughter though Raja has a son. Within the meantime, Ranganayaki has a extreme coronary heart assault and the physician says to not reveal shock information. Within the hospital, a misunderstanding occurs and Balu's father exhibits Raja's son to Ranganayaki in a severe situation. Ranganayaki is instantly recovered. Balu maintains the lie to save lots of his mom's life. What transpires subsequent varieties the remainder of the story.