The film begins with an orthodox Brahmin Kurmavataram who greatly emphasizes traditions, customs, and beliefs. He has 4 progeny, Urmila, Subhadra, Rukmini & Raghava Rao. He also ostracizes third Rukmini for knitting a Christian Lawrence, declaring her death. After 20 years, Kurmavataram periodically backs from the inch of his life. Hence, a nurse, Radha, is appointed as his 24 / 7 caretaker who sets foot in his home.
Rambabu, Kurmavataram's grandson, whose lifetime dream is to conduct a romantic marriage, falls for Radha but pauses since his grandfather's word is an ordinance.
So, he finalizes his grandson's match with Saraswati, daughter of his distant relative Hanumantha Rao, at Rajamandry. Rambabu moves to sweetheart, the girl seen by the elders, and attempts to lure Saraswati, which fails. Indeed, Saraswati has a crush on a jolly guy named Babji, but sly Hanumantha Rao denies it as a plot to usurp the wealth knitting with Rambabu.
Meanwhile, Kurmavataram arrives along with Radha when Rambabu's romance with her flourishes again. After the preliminary of the comic trials, he triumphs in gaining her love. Startlingly, Radha unveils herself as his Rukmini aunt's daughter, divulging the past. Rambabu oaths her to aid in reforming their grandfather. Kurmavataram sees the end, conscious of it, but Rambabu stands firm. Accordingly, the duo attempts to play and mock him by various means, which raises a challenge. Radha questions the credo man whether his progeny is moving in his footsteps, who powerfully proclaims Yes.
Hence, Kurmavataram advances to his daughters with Rambabu & Radha to authenticate it. Firstly, they reach Urmila, where Kurmavataram witnesses a modernistic family relinquishing his guidelines. Next, he walks to Subradra when they forge before him but break it. Thus, devastated Kurmavaratam quits, and Radha paves a path to their home on the return. Whereat, he is enthralled to spot Rukmini, who is arousing the principles taught by him. At last, Kurmavataram comprehends, after soul-searching, that love is the greatest piety in the world. Finally, the movie ends happily with the marriage of Rambabu & Radha and Babji & Saraswati.
