When a government-run lab accidentally lets loose a deadly virus, most of the population of the world is wiped out. Survivors begin having dreams about two figures: a mystical old woman, or a foreboding, scary man. As the story tracks various people, we begin to realize that the two figures exemplify basic forces of good and evil, and the stage is set for a final confrontation between the representatives of each.—Rick Munoz
After a deadly plague kills most of the world's population, the remaining survivors split into two groups - one led by a benevolent elder and the other by a malevolent being - to face each other in a final battle between good and evil.