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.

Four famous directors and old friends are reunited together by an unknown producer to make a film. They have to make four short story in this film with one common theme: Death.

The film revolves around the life of Tarak, a foley artist of Bengali film. Tarak's job is to create ambient sounds for films, but, he gradually gets trapped in his own world, a world full of sound.

Mahendra Kumar Choudhuri, the middle prince of the Bhawal Estate was affected by syphilis and was taken to Darjeeling for treatment. He apparently died in Darjeeling and was cremated there. After 12 years, a Sanyasi shows up at the estate, arousing people’s curiosity and leading to a rumour that he is the lost prince of the Bikrampur Estate.

When a zombie virus pushes Korea into a state of emergency, those trapped on an express train to Busan must fight for their own survival.