The year is 2050. Humans are an interplanetary species and have all but abandoned the post-apocalyptic shatters of society on earth. Cats have taken over. One crime-ridden, nondescript inner city is inhabited by a group of cats collectively known as the Gutter Cats. Far underground, in the bowels of the Autonomous Zone, the Gutter Rats roam, sustaining themselves on the decaying crumbs of the extravagant lifestyles above. Discontent with their subservient position in the Gutter, the conniving rats lie in wait, scheming to one day claim the throne from the Gutter Cat Gang.