When freaky occurrences start to happen all around Beverly Hills – filthy tornadoes, floods of sludge, and huge run-away dust bunnies - Jerry sends the spies to investigate the strange phenomenon. The girls discover that someone seems to be purposely scumming up their beloved city, but what terrible person would want to do that? The Spies track down their only clue - a feather from a feather duster, but will it be enough to save Beverly Hills before it's a complete garbage dump? In a b-story, Alex gets into trouble when she accidentally litters on campus.