Sona da with Aabir and Jhinuk embarks on his new adventure, a quest that will take them to the legendary Durgeshgor. The journey reveals that the Debroy family, the erstwhile zamindars in their princely mansion hold the key to a presumed rumour of a treasure connected with Plassey. With an amazing vibrant backdrop of Durga Puja in the princely Debroy mansion where the trio is invited for the occasion, one after the other clues is revealed testing Sona da`s wit and grit one more time leading towards the discovery of one of greatest treasures Bengal has ever witnessed.

Bijoya' is the sequel to Kaushik Ganguly National award-winning film 'Bishorjon'. Padma is now married to Ganesh Mondal. An emergency situation brings Padma and Ganesh Mondal to Kolkata where she meets Nasir Ali once again. What will she do now? How does her husband, Ganesh Mondal deal with this.