[2] Udayanan (Balasubramaniam), the king of Vatsa, meets Vasavadatta (Vasundhara Devi) and the two fall in love.

Udayanan, after facing many hurdles and crises, succeeds in defeating both his rivals and happily reunites with Vasavadatta.

[2] Adapted from Film News Anandan and The Hindu[1][2] R. M. Ramanathan produced Udayanan Vasavadatta under his own banner, Uma Pictures.

[2] The film's cinematography was by Marcus Bartley while F. Nagoor and M. Natesan, who later became a producer himself, were in charge of the set and costume designing respectively.

[2] The film's music and score composed by C. R. Subburaman while Papanasam Sivan and Kambadasan wrote the lyrics for the songs.