Earth's few survivors of a catastrophic epidemic battle a satanic being (Jamey Sheridan); with Gary Sinise; Molly Ringwald; Rob Lowe; Laura San Giacomo; Ossie Davis; Ruby Dee; Ray Walston; based on Stephen King's novel.

Survivors of the virus begin to find one another; Flagg's (Jamey Sheridan) followers head to Las Vegas; Mother Abigail's (Ruby Dee) people go to Nebraska and prepare to make a stand against the Darkman's forces.

Mother Abigail's (Ruby Dee) flock goes to Colorado; lovers Stu and Fran (Gary Sinise, Molly Ringwald) alienate Harold (Corin Nemec); Nadine (Laura San Giacomo) infiltrates Abigail's group; Cullen (Bill Fagerbakke) infiltrates Flagg's.

Flagg (Jamey Sheridan) orders Nadine (Laura San Giacomo) to ditch Harold (Corin Nemec); Julie (Shawnee Smith) exposes Cullen (Bill Fagerbakke) as a spy; Nadine, then others, rebel against Flagg.