Sundar (Sivaji Ganesan) and Uma (Padmini) are classmates who fight often. Sundar, however, is very much in love with Uma, and when they perform in a dance drama competition at Madurai, and later move on to Kodaikanal, he expresses this love. Uma asks him to climb up a peak so that she will consider him as a suitor. Sundar suffers from Acrophobia and almost falls while climbing, at which point Uma accepts his love. Sundar's cousin Shanti (K. R. Vijaya), who lives with his family and takes care of the entire household, is fond of him and wishes to marry him. Sundar's father (V. Nagaiah) also wants this marriage to take place. When Shanti discovers the love between Sundar and Uma, however, she changes her mind. Sundar's father asks Sundar to marry Shanti, but he refuses, revealing that he is in love with Uma. Furious, Sundar's father begins looking for another bridegroom for Shanti. Meanwhile, Uma goes to seek permission to marry Sundar from her brother, an Army major who is her only ...