An ornithologist who commits suicide returns as fifth force to wreack vengeance on mankind for harming birds with mobile phone radiation. The only thing that is standing in his way is 2.0, the upgraded version of Chitti, the robot.
As corruption becomes rampant in the country, a group of idealistic youngsters attract attention of freedom fighter-turned-vigilante Senapathy through social media, who returns to his homeland to finish what he started.
Thamizh, son of an auto-driver and Bharathi, who belongs to a politician family, fall in love with each other. Will they be able to lead a peaceful life amidst people with castiest mentalities?
