When Unni accidentally kills a person, his parents send him away to Chennai where he falls in love with Meenakshi. When their marriage is about to be fixed, Unni reveals his past to her.

Hari's and Ganga's mobile phones got exchanged accidently and they started getting misleading calls....

Padmanabhan reunites with his son after many years of separation, but his happiness is short-lived when he realises that his son is mentally ill.

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