In a small Southern town slowly choked by a big-box store and its citizens' own vices, one man understands the real source of their troubles: the demons infesting the huge and impersonal TLC Mart, waiting to latch onto the mean, the cruel, and the selfish. But the Reverend Deacon Elder, roving disreputable deliverance minister, can't fight them alone, and finds a most unlikely ally: a teenage girl who was once possessed, and still has one foot in the demonic.