Professor Kurian Fernandez escapes from jail with his cellmate Raghu. Inspectors, Unnikrishnan and K.Purushothaman Nair are sent to track him down. They follow Kurian Fernadez's daughter to track him.

Unnikrishnan owns an old bus, received as a compensation for his father's road accident and he is facing lots of consequences due to the pathetic condition of the bus. The plot took a turn when a girl named Basanthi entered the bus as a nomad