Four underachieving astronauts find themselves stranded on an orbital Sanitation Station after inadvertently introducing a strange device that wipes out all life on Earth. As they grapple with their isolation, an unexpected threat emerges: Gary, a transforming rubber duck with sinister plans. Determined to unleash chaos by opening a portal to his malevolent dimension, Gary poses a formidable challenge. The astronauts must unite to thwart his ambitions and save what remains of the universe, navigating both their absurd circumstances and an increasingly bizarre enemy.