When upright cop Arjun Maitra takes on Kolkata's feared don Bagha and his henchmen, he must battle a broken system and navigate bloody gang wars.

Prime leader of a campaign against a big government project is killed in what appears to be a road accident. An IAS officer is ordered to probe the incident and the veils of falsehood begin to drop.

A serial killer terrorises the city of Kolkata and leaves behind verses of Bengali poetry. The police seek the help of a retired officer to unravel the case and find the perpetrator.