Musician Larry Underwood is on the cusp of his big break when "Captain Trips" strikes New York. Alone and wandering an empty city, he meets an alluring new acquaintance also desperate to escape. Meanwhile, an incarcerated Lloyd Henreid comes face-to-face with Randall Flagg, The Dark Man himself, who makes him an enticing offer.
In a world decimated by plague and embroiled in an elemental struggle between good and evil, the fate of mankind rests on the frail shoulders of the 108-year-old Mother Abagail and a handful of survivors. Their worst nightmares are embodied in a man with a lethal smile and unspeakable powers: Randall Flagg, the Dark Man.