At the end of the 21st century, cities have fallen into ruin; the air is toxic and the sun obscured. Quinto is on the run from his malevolent master and he is seeking refuge in the legendary and elusive “city in the sky.” Ai is a malfunctioning android sex-worker awaiting deactivation. Instead they find each other and another fate, locked in a run-down hotel room managed by a malevolent transvestite and her drug-addled son.