Detective Byomkesh and sidekick Awjeet, on the request of Dr. Rakshit, meets Bishupal, a moneylender whose life is under threat from Awbhoy Ghoshal. However, Ghoshal is found dead in a twist of events.
Byomkesh is invited by a police officer to help him investigate a most spooky mystery. A house has been the source of trouble for its current and former resident. Baikuntha Das, the original inhabitant of the house was a goldsmith, he had 51 precious jewels in his possession which he kept somewhere...
An expensive diamond necklace worth Rs. 57,000 gets stolen from Jeweller Roshomoye Sarkar's house by his servant Bholanath the night before its delivery to Delhi. Byomkesh investigates.
