Zamindar Bhujangarao (Gummadi) has two sons. The elder son Raghunath Rao (Akkineni Nageswara Rao) born to his first wife is a retard. After her death, he married Rajeswari (Santha Kumari) and the couple has a son Nagendra Rao / Naagu (Jaggaiah) a man of vices. Impressed by the way Padma (Savitri) a ...