Karthik, Soundarya, Sivakumar
Chintamani and Ponnumani are sweethearts who spend their childhood together in a village. Chintamani goes off to pursue education but she and Ponnumani remain devoted to each other. Sivakumar, who dotes on Ponnumani wants to see them happily married
It is decided that they marry once Chintamani's exams are over.
Ponnumani, who has been waiting all his life for this moment sets off eagerly to receive Chintamani at the station. He is shocked to find her in a mentally unbalanced state. Later on he learns that she has been raped by a rich brat and is pregnant.
Though overwhelmed with grief, he tries to arrange Chintamani's marriage with the rapist. When the latter shows no remorse for his act, and tries to kill Chintamani, Ponnumani kills him and is sentenced for 5 years.
He is reunited with Chintamani ( still like with the mentality of a kid ) and her daughter.
All the characters stand out in their roles. The lighthearted moments are provided by Manorama, Goundamani, Senthil and Vadivelu