Sivappathikaaram (2006)

Satya, a college going student, is a man of principles. He's sweet, gentle and loving towards everyone. He succeeds in winning the heart of his professor Elango, whose daughter also falls in love with him. Later,he too reciprocates her love. But this simple looking, young man has a darker side as well. He murders corrupt politicians, and foils every of their plan to deceive the public. Professor Elango also supports him throughout. But, Satya has a very dark past and a personal matter with them as well: He lost something which was most precious to him. The further story traces the real motive of Satya and tries to explore the fact whether he wants to seek revenge or wants the society to change? Or perhaps both?