Durjoy is an arrogant but honest police officer who repulse the criminals from their action. He falls in love with Piya, a model, who thinks him as a gangster but has feelings for him. Lion Robi, a drug dealer, wants to make a deal with Durjoy but he refuses and insults him. Lion Robi becomes angry and threatens him. Neither Durjoy nor Piya can express their feelings until Tiger Robi, Lion Robi's Brother, irritate Piya and wants to marry her. Durjoy threatens and arrests Tiger Robi. Tiger gets bail and becomes the reason of the death of Durjoy's lost sister. Durjoy kills Tiger Robi and Lion Robi raged with anger at this news and starts killing all the allies of Durjoy in Police Department so that Durjoy becomes helpless. Before death Police commissioner Afzal Chowdhury reveal the death cause of his father. Durjoy now attempts to revenge on the death of his family members and stop Lion Robi.