Mamántula is the guy everyone desires, but he is also, secretly, a giant tarantula disguised as a human, conceived during a brief encounter in a distant paradise. In an alternative present of brutalist saunas, endless metro corridors, and trench-coated, hat-wearing detectives, each of Mamántula's lovers falls victim to his insatiable lust for blood and semen; a thread in the stellar web he's weaving to return to the dimension where he belongs.

A young chauffeur investigates the disappearance of a client. He is aided by his Italian teacher, a homeless estate agent, and an artist who uses random stock photos to illustrate her dreams. Everything seems like a clue in this slightly absurdist world, but to what?

The father of a terminally ill girl is determined to grant his daughter's last wish, a ridiculously expensive collectors' costume from a Japanese TV series. The request will drive him into a journey within his city's dark underbelly.