There are two love stories. When Kaveri was a child her father visited his friend in Trichy with her. The friend had a young son, Ekambaram. Kaveri and Ekambaram played together but Ekambaram's mother did not like it. However, Ekambaram's father married Ekambaram and Kaveri while they were still children as per the custom of those times. Soon after, Ekambaram went abroad for further studies. When he returned after studies, his mother said Kaveri had died. So he married another girl who dies. Ekambaram then discovers that Kaveri did not really die.
Anandan is Kaveri's brother living in another village. When he heard that his sister fell in a river he is saddened and begins a nomadic lifestyle. He joins a drama troupe. He meets a girl Vasantha and both become lovers. Anandan learns that Vasantha's mother is a woman of loose character. So he mistreats Vasantha. But Vasantha says she is innocent and should not be punished for her mother's faults. How the problems of the two couples are solved forms the rest of the story.