The film stars Ajith Kumar and Simran, while Nassar, Raghava Lawrence, Manivannan, and Kitty play supporting roles and Parthiban in a guest appearance.

Surya has been brought up in the army training barracks in Wellington (Ooty) ever since his mother handed him over as a baby to the camp brigadier.

The following day, the nun convinces Sekhar that she will bear his child as a way to fulfill his dying wish, and they consummate inside the prison secretly.

[citation needed] Malathi Rangarajan from The Hindu mentioned that "potholes in the screenplay prove irksome" and that "the thin thread of patriotism woven throughout the film, hardly makes an impact".

[4] Tamil Star Online wrote, "In spite of good acting by Ajith, Simran and Parthiban, exotic locales, catchy tunes and impressive choreography [Unnai Kodu Ennai Tharuven] falls way short of expectations.

[5] Malini Mannath of Chennai Online ridiculed the film's excessive patriotism, saying, "Everyone is quite happy about doing his/her bit for the country.

[6] Dinakaran wrote, "The scenes depicting [Ooty] army training centre have been picturized in a grand style that's brimming with life!

[9] The film was commercially unsuccessful, and Ajith mentioned that the shoot coincided with his marriage preparations, thus he found it difficult to invest to the project.