The film is based upon two early novels from the Arjun seriesKHUN KHARAPI and SITAHORON ROHOSYO Arjun is an aspirant detective who is influenced by his mentorguide Amol Shome mission A Chinese criminal Juan Hanzi has set up base at the hill station Kalimpong He intends to rob the Tibetan treasure buried under Kalimpongs Durpin Da Ra monastery Incidentally Amol Shomes old friend Bistubabu refers an NRI resident of Kalimpong to seek for advice from Amol at around the same time That person is MrSen and his father was the architect who designed the monastery and a copy of the plans are hidden in his house An unidentified person is threatening Mr Roy Arjun goes through the adventure of finding the whole culprit behind this operation and also decipher clues to secure the blueprints of the monastery
