A new world of possibilities awaits, thanks to a revolutionary medical procedure known as Downsizing. Billed as environmentally-friendly, many people choose to downsize for economic benefits. When the kindly occupational therapist, Paul, undergoes the new procedure, finding himself in this brand-new existence, he must choose between a sheltered life or making an impact in his own small way. Can he help save the planet and afford a nice lifestyle at the same time?