Karnasubarner Guptodhon, the third film of Guptodhon Franchise, brings
back another thrilling adventure of Sona da, Abir & Jhinuk. Invited for a
wonderful occasion, the trio’s vacation soon turns into a dangerous quest for
the greatest treasure of Bengal. As Sona Da will try to unlock every clue, his
wit and mind will constantly get challenged, while his loved ones will be put on
parole and his entire adventure will be under a web of threats until he
unearths one of the greatest treasures that Bengal has ever known.