Flat No 609

Kolkata police detective Aniket Sanyal (Kharaj) guess on a holiday to Kasuli in Himachal Pradesh after his wife's death, only to be sought out to solve the mystery behind the well-planned murder of another tourist.

A political journalist associated with a leading mews channel found an interesting story in a woman who rose from an ordinary housewife to a notorious lady mafia gang leader in the 80s Shibpur who dominated the area for long time but went missing in late 90s and was never found.

Manik Babu, a respected Ex-Army officer, with his wife Dipa sojourns in a conurbation near Kolkata. His son along with his daughter-in-law and grandson have settled abroad. So he develops a bond with his childhood friend Sen Babu's grandson, Tatai. When a circus team emanates in their area, Tatai falls in love with the grandeur of the circus, especially the circus horse. But can Manikababu ultimately fulfill Tatai's dream?

Anirban is a professor who lives in Delhi with his wife Tanu and daughter Zinia. He is transferred to a lonely town named Kasauli. They enjoy a lot in the new city but their neighbors are mysterious. One day, their daughter Zinia goes missing during an excursion. Anirban and Tanu enquire and come to know that Zinia's friends didn't even accompany her.

The city of Durgapur was rocked by a series of unnatural deaths after consuming vitamin capsules of the same brand, but the victims had no connection to each other. The case remained unsolved for several months due to a lack of evidence until one journalist uncovered a crucial clue.