After an atomic war Phillip Hammer and Marlowe Chandler have spent 15 years on their own in an bunker, stuffed with junk from the 40s and old detective novels. Now, 19 years old, they leave their shelter to find a world full of mutants, freaks and cannibals. They become famous detectives in the struggle for the two keys that could fire the last nuclear weapon.

In the Echo Park neighborhood of Los Angeles, everybody is somebody else. May, a single mother who delivers strip-O-grams, dreams of being an actress. She rents one of her rooms out to a pizza-man cum songwriter named Jonathan. Meanwhile, in the next apartment, August, an Austrian bodybuilder, fancies himself the next Arnold Schwarzenegger. As the pressures of everyday life in LA mount, Jonathan and August vie for May's love.

A quiet suburb in Southern California is terrorized by a mysterious murderous monster living in a cave. As the bodies pile up -- with incriminating banana peels always near by the crime scene -- a group of teens stumble on the guilty party: a 20-million-year-old Schlockthropus, an ape-like creature with a sense of the absurd.