The film narrates a story of three individuals: Anirban Gupta, a professor, Ira, Anirban's wife, works as a hotel lobby manager, and Rudrangshu (Rudy), Anirban's childhood friend.

Twelve jury members debate fiercely over a murder trial. Only one juror is convinced that the convict is not guilty of the crime and he tries to convince the rest that the boy is innocent.

Keshto, a small-time detective, is determined to solve murders that are spreading terror in the hill town of Shikarpur. Will he catch the killer in time?