IG is an action movie which Suresh Gopi dons the role of I.G.Durga Prasad. He was the head of Traffic Police. One day during his duty time he took into custody a gang of criminals who involved in hawala transactions. Chief Minister called a meeting to ascertain the source of the money. Actualy the money was intended to terrorist activities. Knowing the serious situation, Chief Minister ordered to form an Anti Terroists Squad.
I.G.Durga Prasad was the leader of the squad. Once in a week he had to report the developments to the CM. It was at this time an allegation came out that I.G was harassing some fellows who were suspected to be encouraging the terrorists. Many persons in the department itselt were against him. Even under the heavy pressure he did not give up the enquiry. He tried his level best to put an end to the activities of terrorists.