Joel, a caustic 1980s film critic for a national horror magazine, finds himself unwittingly trapped in a self-help group for serial killers. With no other choice, Joel attempts to blend in or risk becoming the next victim.

　Set in the late 1980s, a satanic cult has a singular focus of unleashing hell on Earth. With the help of an ancient incantation, they conjure a demon, and its members are tasked with feeding it the populous of a nearby small southwestern town.