Every25years,itbegins.Boundtoanancientpact,afamilyofunlimitedpowerdescenduponasmallruraltowntosacrifice4humanlives,onebeingamemberoftheirownfamily.Theritualstartswiththerapeofalocalgirl,18yearoldKerry.Findingherselfpregnant,sherealizesherunbornbabyisthetargetofasinisterplot.Asthemonthspassandpeoplearoundherbegintoturnupdead,shedesperatelysearchesforawayoutofthisunthinkablesituation.Thefamilymustperformthisritualtomaintaintheirpowerordie.InchargeofcarryingouteachsacrificeashisinitiationisDavid,ayoungmanconflictedwithhisdestiny.HeunexpectedlybeginstofallforKerry,whichweighsonhisconscienceastheygetclosertothefinalsacrifice.Whatstartsoffasathrillersoondescendsintotherealmofhorrorasoccultritualsandancientpactstakeholdofonegirlslife,bindinghertoafateshecannotpossiblyfathom.ROSEMARYSBABYmeetsDRAGMETOHELLinthistwistedanddarklookintotheoccultandhowfarthehumanspiritcantakeonesoulinitsmostdesperatehour.Layeredwithplottwistsandconflictedcharacters,BLOODLINEfollowssixpeopleastheycarryouttheirdestinytotheirultimatehorror.