Based on Narayan Gangopadhyay's Iconic character "Tenida". Bhajahari Mukherjee AKA Tenida, Kyabla, Pyala and Habul have grown a bit older, They visit Darjeeling for a holiday where they fall into serious trouble. One scientist Satkari Santra asks them for help to protect his valuable formula from a Japanese spy Kagamachi. Satkari invites Tenida and his associates in his residence, Jhau Bungalow, but Kyabla finds Satkari himself is very misleading person. They try to reveal the mystery behind Satkari's story. Will they survive from the danger?