Virudhagiri, the upright honest police officer, helps Scotland Yard police in thwarting a murder bid on the British Prime Minister. He returns to Chennai and comes to know of the troubles and violent attacks faced by Indian students in Australia. Meanwhile, his friend's daughter goes to Australia for studies and disappears. Now Viruthagiri has double task - rescue her and end the menace forever. He sets off to Sydney & How he achieves the mission is the rest.

The happy go lucky girls working as software professionals start a short film to pursue their dreams of film making. Everything goes well apart from the theme of the film they chosen.

Car brokers Kitty and Premkumar come across a vehicle that contains a corpse. Soon, they learn that the body has a pen drive that holds information about a terrorist plot.