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.
The film is about two convicts, Samson (Mammootty) and Mallika (Charmy), who are released from jail on the same day and their travel together to unknown destinations.
