Event planner Rachel lands her biggest job yet – Dollywood’s 30th Smoky Mountain Christmas celebration, where she’s teamed with operations director Luke to plan an event as glamorous as Dolly…

Allserialkillerscommitmurdertosatisfytheirgrandfantasies,butthemurderersfeaturedinTheMarkofaKiller,takeitonestepfurther,committingheinousactsthatallowthemtoextendtheirfantasiesandrelivetheexcitementoftheircrimesagainandagain.Withmanykeepingpostmortemsouvenirsandperformingdistinctritualsduringeachkilling,theirsignaturetrademarksoftenprovetobetheirundoing.Thisseriesfollowsthetrailsoftheirobsession,andtakesadeepdiveintothekillers’depravedpsychestorevealtheirdarkestsecretsasinvestigatorscloseintoendthekiller’sreignofterror.