Nandita is happily married to Mukundan. One day, she happens to meet her childhood sweetheart Rajeevan and they become intimate friends. But they decide to part ways as they are already married.

Kunju Lakshmi is the youngest daughter of the aristocratic Kavumpattu family in Peruvannapuram. She is pampered by her brothers and is a little arrogant. The family owns the local college. Sivasankaran comes to the college as a peon to replace the Padmanabhan who fails to give the promised donation to the Kavumpattu family in return for the job. In the meantime a love note that was written for Kunju by a classmate ends up in her book and she accuses Sivasankar of writing her the letter. Kunju gets into a fight with Sivasankaran. Her brothers join the fight and Sivasankaran declares that he will marry Kunju in 15 days.