After the East India Company forces Kattabomman, the king of Panchalankurichi, to pay taxes and be their subordinate, the latter decides to fight against them.
A conspiring uncle separates the twin sons of his sister, the queen. One becomes his uncle's pawn while the other grows to be a brave and honest man, who inadvertently learns of his true parentage.
The king of Mullai nadu appoints Veera Mohan as the General of the army. Raja guru, the head priest and Parthiban, his son are enraged by this decision. This turns Parthiban into a bandit.