The movie begins with the death of Varma a senior government official who was about to on the verge of making a major anti-corruption bust. The case is handed over to Chandrashekharan IPS who goes by the nickname of "The Tiger". A turning point comes in the movie when a TV journalist Suhara disappears along with her Cameraman. Chandrashekhar finds a link between both the cases and is out to catch the mysterious assassin who is responsible for the death of Varma.
The prime minister of the nation gets killed and an efficient police officer, Sivaraman, gets appointed by the government to solve the murder mystery. He gets ninety days to accomplish the mission.
Cochin Hanifa plays the title role of CI Mahadevan, who goes to a village where a bomb blast in a school bus has created terror in the hearts of the villagers. He is being assisted by a bunch of policemen working in the local police station. These policemen are more concerned about their personal matters than the problems faced by the public. How Mahadevan unravels the mystery behind the blast with the help of these policemen is the crux of the story.
