A fearless police officer crosses swords with a local politician, and in the fight, he loses his wife. Unabated and with more power, he rises again to take on ruthless politicians.

Arasu movie is the story of Thirunavukkarasu(Sarathkumar) who is a mild mannered, quiet man, arrives at the agrahaaram in Kumbakonam to take up the job of handling accounts at the temple. He is helped by the family of Velu Shastri('Delhi' Ganesh) and Velu Shastri's daughter Meera(Simran) falls for him too.But news of a dangerous rowdy being released from a nearby jail brings out the real Arasu - a man who is out to take revenge on the men responsible for several atrocities, including the murder of his parents(Sarathkumar and Roja).

A youngster is compelled to choose an unfavorable path because of societal pressure and turns into a cold-blooded gangster, his life starts to change when he falls in love.

Sabari goes on a 'revenge' mode and bumps off the rowdy elements, who are disturbing peace and tranquility in the city.From a serious cop to a caring doctor, it is a transformation for Captain Vijayakanth. But his mission remains the same and that is, eliminating the evil elements from the society.Seemingly inspired by Ramana, director Suresh has woven a script which suits Vijayakanth's new-found political image and gives him enough scope to flex his muscles and take on the baddies.A one-man army, Vijayakanth goes on a 'revenge' mode and bumps off the rowdy elements, who are...