"Based on ʼThe Mystery of the Fortressʼ by Sharadindu Bandyopadhyay"

Canceled Durgo Rahasya film starring Parambrata

Byomkesh recalls the murder mystery of historian, Ishan Chandra Majumder, where Byomkesh along with Ajit and Pandey, tries to demystify the real reason behind the series of deaths in the family and the gold coin.