Three distinct tales unfold in the bustling city of Tokyo. Merde, a bizarre sewer-dweller, emerges from a manhole and begins terrorizing pedestrians. After his arrest, he stands trial and lashes out at a hostile courtroom. A man who has resigned himself to a life of solitude reconsiders after meeting a charming pizza delivery woman. And finally, a happy young couple find themselves undergoing a series of frightening metamorphoses.