Ellam Unakkaga (1961)

Anandan and Venkatachalam are friends. Venkatachalam's daughter Sarala, following an accident, loses her ability to walk. A doctor informs Venkatachalam that he treated a similarly handicapped woman, who in the process of giving birth to a child, was cured and could walk again. Inspired, Venkatachalam marries off Sarala to Anandan, deciding that if Sarala is not cured within two years, the marriage will dissolve and Anandan can marry any other woman he wants. Anandan and Sarala live a happily married life. Sarala gives birth to a child, but is not cured of her handicap. However, Anandan refuses to abandon hope. The rest of the film revolves around what happens to the many problems of the characters.