Deepak and Anasuya are an estranged couple, now leading separate lives in Cuttack and Bombay. They meet again after 18 months of separation, at a small fishing village where they had once honeymooned.

Mrs. Iyer and her infant son are traveling to Kolkata with the help of photographer Rajah. When religious tensions flare up and the bus travelers become stranded under martial law, she makes a choice to save him that entwines their lives.

Based on the novel Magno Mainak by Sharadindu Bandyopadhyay, the film portrays the iconic Bengali detective Byomkesh Bakshi along with his friend Ajit Bandyopadhyay as he investigates the murder of a Pakistani spy named Heena Mallick. He begins the investigation at the request of a political leader, Mr. Santosh Samaddar, who was a close friend of Heena's parents and had given her shelter after her parents' death. Will Byomkesh succeed?

有一颗坏牙的叛逆吸血鬼在加尔各答街头对一名害羞的牙医一见倾心，但人类世界与神秘势力会棒打鸳鸯吗？