A small shack in the Ozark Mountains. Through the pines that noose it, a hard wind rushes like frantic horses. It isn’t wind that wakes David Holcomb from a long sleep. A car door slams outside. David slips from bed, hugs himself against the chill air. Candles gutter; the fireplace gleams with coals, but not with warmth.

David peers out a window through dusty glass. The moon hangs like a melted Christmas ornament in the nylon shine of night. No clouds mar the star-seeded sky. A parked station wagon is visible. A shadow strides to the cabin’s front porch.

Hesitantly, David steps onto the porch. Wind plucks at him; the chill needles. The figure’s back is toward him. “Who are you?” David calls loudly. “What do you want?”

The figure turns; a coat with a hood hides the face. “We need to get inside,” a voice says. “It’s coming.”

The…