A sudden violent storm takes Kolkata by sutprise. It also Narendra Nath Biswas injured, hit by a falling tree in the Park Street Cemetery. ... or was it the work of some unknown assailant? Feluda investigates and soon encounters enough questions to puzzle his matchless intellect. In his search for answers, Feluda digs up a fascinating history of the Godwin family going back to the 19th century Lucknow.