The Moonlight Killer has Kolkata in his grips. Kiriti Roy, the city s most famous detective is on his trail- as a series of murders using a Kalo Brohmer box ( a sandalwood box) with black bees inside happen. Based on the cult detective Kiriti Roy created by Nihar Ranjan Gupta. Kiriti is a lethal combination of intellect and physical power as he takes on his arch nemesis Kalo Bhromer ace, Dr Sanyal. A gripping story of crime and detection.