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.
Quick-witted Raja who admires the critically acclaimed and popular yesteryear director-actor, Shankar Nag is an auto driver himself. He crosses paths with a village girl, Rani, who has come to the city to become a professional actress.
The story begins with Balu (Ganesh) who is a correspondent of 'Satyavahini' newspaper and is on his way to Kanyakumari as part of a punishment to cover a sports assignment. Keen to unravel scandals and spicy news, Balu comes across a girl clad in Burkha and true to his guesses, he learns that it is Priya (Rekha), the daughter of a famous business tycoon who is on the run from her father to get to her fiancé Rahul, a prominent badminton player. Apparently, Priya's father is against Rahul as he is aware that the player is a big flirt. Both of them miss their bus and Ganesh promises to take Priya to Rahul with whatever money he has got. Meanwhile, he keeps recording the whole story which will be ready for headlines next day. As time passes, both of them get to know each other and gradually fall in love with one another without realizing. However, Balu wants to stay away from all this and calls up Priya's father to return back his daughter. He also asks for the expenses he bore on his ... Written by