LondonerRonnieembarksonajourneytoIndiawhenhismother,Suleka,goesmissingandmysteriouslyendsupinaKolkatahospital.BeforeRonniecanunravelthemysteryofwhatbroughthismotherbacktoherhomeland,Sulekadiesinanapparentcultkilling.Furtherdeathspointtoaseriesofpastmurdersthatstopped28yearsagowhenSulekaleftIndiawithherinfantson.Untilnow.AsthedarknesswithinRonniegrowsandthemurdersreachtheirpeak,allroadsleadtothefearedwitchofKolkata’sinsaneasylum.