Ronojoy and his friends are trainee policemen who are also self-appointed vigilantes at night. Aditya Sen, an exceptionally cunning and prodigious businessman, owns and runs a pharmaceutical empire.The national mafia and contract killer works on Aditya's word. Ronojoy, with his sharp thinking and instinct, is suspicious of Aditya, for a number of seemingly unconnected criminal events, for which he secretly carries out an unofficial investigation. Trouble mounts when Aditya becomes suspicious of his intentions, and murders Ronojoy's friend Abhijeet, an honest policeman.Later Ronojoy finds that Aditya is able to all his plan by satellite communication and he misdirected Ronojoy to kill Vicky.Ronojoy later collected all the evidences against Aditya and completely shattered him.At last it shown that Aditya died because of gunshot from his own girlfriend,and handovering all the secret information against the ministers which would be helpful in evidence in future.