The Portuguese want to set up an army base in Vasanthapuri, a zameen in Tamil Nadu, India. They approach Diwan (M.N. Nambiar), a corrupt citizen of the area and decide to make him the king if he agrees to carry out the plan. He subsequently agrees, but none of the local people are happy and protest against this.

Susi’s family is stalked by a vengeful killer. During an attempt to save Susi from this madman, her boyfriend, Baskar, gets a good look at the attacker’s eyes. Using this as a clue Baskar attempts to find the person haunting Susi’s family.

Ashok is in love with his boss’ daughter, Nirmala. To convince Viswanathan, he seeks his best friend Vasu’s help, who disguises as his father.