SetoneyearaftertheeventsofHellHouseLLCII:TheAbaddonHotel,thehotelisonthevergeofbeingtorndownwhenitispurchasedbybillionaireRussellWynn(GabrielT.Chytry)asthenewhomeforhispopularinteractiveshow,“Insomnia.”HeinvitesjournalistVenessaSheppard(ElizabethVermilyea)andhercrewtorecordeverythinghappeninginsidethehotelleadinguptotheperformance,buttheysoonencounteramorenefariousplot,onethatthreatenstounleashaveritablehellonearth.