Drugs. Sex. Murder. Taxes. Welcome to planet Earth. They're here. They've arrived. And they're all eyes. The Voltarian scouting party — illegal aliens extraordinaire — on a top-secret expedition led by one Jettero Heller, Royal Officer of the Fleet. His mission: rescue the planet from pollution — and make it safe for the upcoming invasion. His problem: the planet may not want to be saved — and the invasion may just be a trick.