K. Kannan

Gnana Sambanthan, a young child, has a divine intervention while visiting Lord Shiva's temple with his parents. Later, he starts composing hymns.

Viswanath (Rajnikanth), a famous lawyer, stays with his widowed mother (Vijayakumari) and physically handicapped sister (Uma). He sends Jegan, a rich magnate's son (Sathyaraj) and Lokaiya, two criminals to jail on the charge of rape and murder of an innocent girl. Jagan’s father, GMK (M N Nambiar) uses his influence and starts creating trouble in Viswanath’s life. GMK succeeds in getting Viswanath imprisoned on a trumped up charge. His heartbroken mother dies. Once out of jail, Viswanath sets out to punish the culprits when he temporarily loses his eyesight.

Set during the time of the Chola invasion, the film tells the story of a courageous Pandiyan king. The king filled the hearts of his people with courage, patriotism and faith to help fight the Cholas.

Mohan, a kind-hearted man, not only preaches and believes in equality but also practices it. He marries a poor girl but lands in trouble as she is accused of murdering a scientist.

In the village Ammapatti, Maruthu Pandi is a coracle operator in day and the village protector at night. The villagers give him food in exchange of his work. Maruthu Pandi has a mentally ill sister Lakshmi who is pregnant and he takes care of Lakshmi like a mother. Kanagavalli, a dancer, slowly falls in love with Maruthu Pandi. Kanagavalli is in fact a police officer who wants to arrest Maruthu Pandi. Maruthu Pandi's real name is Manickam, and after a revealed flashback, police team come to Ammapatti to arrest Manickam. What transpires later forms the crux of the story.

Because it was humbled that by his betrothed, Murugan a nice provincial, puts itself to find in the capital, an even more beautiful and more intelligent wife who will be the liked for what he is : A simple man of the campaign. He will not be at the end of his surprises but will finally find the one person in a million of the name of Mainaga.