Theseriesfollowssmart,capableandbythebookGraceNarayan(AnjliMohindra),whowasflyinghighasaninner-citypolicesergeantbeforebeingforcedintoa'punishmentposting'onthesmall,antiquatedislandofSt.Jory.ConfrontedbytheforgottenandunsolvedcaseofmissingteenageboyCai,Gracequicklydiscoversthatshemustovercomescarceevidence,extraordinarylocalcharacters,andtheisland'sstrangeculthistorytouncoverthetruth.