Azhagiri (Narain) and his sister Shanmughapriya (Meena) are siblings who live only for each other. Azhagiri is a student and his sister is a lecturer. Santhanam and co forms his more than one sidekicks and M. S. Baskar is their professor who invariable falls quarry to Santhanam’s unwitting jokes and intentional pranks. Azhagiri goes to Thambikkotai on an NSS field trip. There he falls in love with Kanaga (Poonam Bajwa) who is the daughter of the Amirthalingam (Rajendran), a rich-don of the village. Amirthalingam tries to kill government officers who want to repair a damaged bridge that connects the village with the outside world. The village has a connection to Azhagiri, his sister and their dead father, Shanmugam (Prabhu).