"Hightown"issetoniconicCapeCod,anditfollowsonewoman’sjourneytosobriety,intertwinedwithanunfoldingmurderinvestigation.JackieQuiñones,ahard-partyingNationalMarineFisheriesServiceagent,hasherfree-wheelingwww.2kyb.comlifethrownintodisarraywhenshediscoversabodyonthebeach-anothercasualtyofCapeCod’sopioidepidemic.Asaresultofthistrauma,Jackietakesthefirststepstowardbecomingsober-untilshebecomesconvincedthatit’suptohertosolvethemurder.NowatoddswithSergeantRayAbruzzo,anabrasivebuteffectivememberoftheCapeCodInteragencyNarcoticsUnit,Jackiestartstospiral.Andshe’snotalone.Ray,too,spinsoutofcontrol;losinghimselfintheinvestigation.Thelivesofeveryoneconnectedtothismurdercrashandconverge,remindingusjusthowcomplicated-anddeadly-ouraddictionscanbe.