Duringanexclusivetour,apowerbreakdowninsideasecretprisonknownastheDeathHousesendstwoagentsfightingthroughalabyrinthofhorrorswhilebeingpursuedbyaruthlessarmyofroaminginmates.Astheyfighttoescape,theagentspushtowardthelowestdepthsofthefacilitywheretheylearnasupernaturalgroupofevilbeingsaretheironlychanceforsurvivalaaa