22 Shey Shraban (2011)

Several murders have taken place throughout the city of Kolkata. A serial killer is believed to be responsible; one who always carries out the murders according to verses in Bengali poetry and leaves the verses next to the victims. The police are baffled. There lead detective struggles to solve the case, so his superiors decide to bring back an ex-cop to help solve the case. The ex-cop was suspended for orchestrating a fake encounter and is well-known for his bad temperament. Now the ex-cop and the lead detective must work together to catch the serial killer before another innocent life is lost.