Jai is a patriotic man for whom the nation always comes first. He harbours the dream to work for the DRDO and wants nothing else from life. But what happens when an evil mastermind Keshav makes a plan to harm the nation?
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.
Anna Thandavam, a big shot who arranges for contract killers, plans to murder Sivakkozhundhu, a cop. His plan goes bust after Vasu, a heroic young man, rescues the ADSP. Meanwhile, Thandavam also gets into problems with Vasu's family...
An extortion gang that murders businessmen kills a policeman working on the case. ACP Jayaseelan exterminates the gang by way of unofficial encounters, but the murders continue. What the cop doesn't realise is that the brain behind the crimes is lurking close to home.