The film begins during the time of India - China war when a freedom fighter, Madhava Rao, toils for the welfare of the public with his daughter Bharati, niece Kasthuri, and his son Ravindra Nath serves in the Indian Army. Besides, his malicious brother-in-law Narasimham is a secret agent of the traitors but purports himself as a patriot. On the war front, Ravi is mislaid and seriously injured when a nurse, Susheela, rescues him, and they fall in love. Eventually, grief-stricken Madhava Rao shifts to the residence of Ravi's close friend, Dr. Raghu, a handicap. Nevertheless, Bharathi loves and marries him. Parallelly, Narasimham's son Babu arrives from the States, knitting a foreign girl, Lilly. After some time, Ravi returns along with Susheela. He conveys his intention to marry her, which Narasimham and his wife Sundaramma oppose as they aspire to couple up Kasthuri with him. Despite Ravi moving ahead, just before the wedding, Susheela dies in a car accident when dispirited Ravi tours all over the country. During, as a flabbergast, he spots Susheela alive and realizes she is Sujatha, the twin sister of Susheela, who enhances him, and he proposes to her, which she denies. However, Ravi follows her when he learns Sujatha's alliance is already fixed with her foster son Ramu, whose whereabouts are unknown. The elders now convince Sujatha for espousal when the Indian army declares an emergency, so Ravi pauses the wedding and leaves for the battlefield. Parallelly, it is revealed that Raghu is the only Ramu who stayed behind due to his disability. Meanwhile, Narasimham is intrigued by destroying the country's essential runways, but Ravi breaks out his ploy. Here, surprisingly, Lilly turns into a CBI officer and apprehends him. Finally, Ravi is honored by Govt of India, and the movie ends happily with the marriage of Ravi and Sujatha.
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