An asteroid, which is expected to hit Chennai and its surrounding places, poses a threat to the lives of around four crore people. A five-member team is sent by the Defence Space Division to space to stop the celestial body from hitting the planet.
Rajeshwari agrees to get her daughter Gayathri married to her beau Saravanan, thinking him to be subservient. But her plans are foiled when she realises that he has a violent past.
Sathya and Kiruba are friends. Sathya is reckless and gets into drinking and violent fights whereas Kiruba studies hard to become a Sub-Inspector. Tables are turned when Sathya becomes a Sub-Inspector.
