Dhanush and his friends send a prank letter threatening to bomb a train. This turns into a nightmare when they find out that terrorists intend to blow the train up in the exact same fashion as they've described in the letter.
A group of elected representatives of kids in a small village find their own voice when they outsmart their adult counterparts to set right those things that they think are undesirable to their constituency.
Preetham escapes from his wealthy father who's hounding him to get married after an astrologer tells that it will be good for the family and meets two interesting girls on his way.