dibakar singha (jeet) is a police sub-inspector from hridaypur, a small fictional town in the birbhum district of bengal. he is loved and respected by the entire town. arjun sarkar (supriyo dutta) deals in real estate as a cover, but is in fact a kidnapper and extortionist from howrah who terrorizes the citizens and has the police on his payroll. once dibakar learns of arjun's actions, he goes after him and kills arjun's men one by one, including arjun's younger brother.