Abhirami Mangamma (Pandari Bai), a queen is desired by another ruler, Sengodan (S. A. Ashokan). Several years later, Sengodan sees the girl (now a queen) out hunting. He declares his love, but the queen says that she is a mother. Sengodan tries to kill her son (MGR), the Prince Vengaiya and the queen cuts off Sengodan's leg with an axe. The king Vengaiyan (MGR) from the Vengaiya Mount Kingdom goes to Sengodan's country (Soorukathu Kingdom) seeking justice, and Sengodan agrees to a duel. The duel takes place over a net with spears below it; whoever falls on the net will die. A dueler will lose if he loses his weapon or falls from the net, and his country will be enslaved by the winner.Since Sengodan has only one leg...