SPOILERS AHEAD! Judy says "There's no place like home" after realizing she has awoken from a dream, like Dorothy. She is apparently named Judy after actress Judy Garland, who played Dorothy in this musical.
Future dystopian post-apocalyptic Earth in which humanity has divided into different species including a primitive monstrous one that lives underground and commits cannibalism.
Stover is a man who believes he is the last human in a future dystopian post-apocalyptic Earth who hunts cultist mutated inhuman creatures before finally meeting a surviving human woman.