The world abruptly ends when a deadly virus accidentally escapes from a government sponsored biological warfare laboratory. Soon people are dropping like flies from the plague, but a few survive and find themselves strangely compelled to head into the West. Good-hearted people follow the voice of an ancient black woman. Bad people follow the enigmatic Walkin' Dude. It is only a matter of time before the two sides are forced into a climactic battle over the final fate of humanity.