In the dystopian city of Pluton, a man known only as The Human Eradicator emerges as a symbol of retaliation. Haunted by the loss of his beloved daughter, who fell victim to the terrifying humanoid flesh-eating monsters that plague the city, The Human Eradicator dedicates his life to eradicating these abominations from existence.

A massive asteroid struck Earth, leaving behind mounds of dismembered bodies, destroyed skyscrapers, and a desolate landscape. The survivors gave up on being human and turned into their own kind of tyrants. The cries of the oppressed demand a hero ... will there be one?