Joseph Alex is a collector of a big city, a man of principles, always fighting against crime and never giving-in for political power. While John Varghese, a minister and his companion Sankar are cheap politicians. They use their political power to amass wealth, and perpetrate crime against their own people. Madhu, a photo journalist gets murdered, doctor Vijayan who perform Madhu's postmortem also mysteriously disappears. Movie takes an unusual turn when private investigator, Prasad joins the investigation force.