Around the world dedicated scientists go on the hunt for an animal that they are convinced can save the planet, the “not so humble” earthworm. What can earthworms tell us about earth’s geographic evolution? Can it reverse infertile hot spots? The world’s top taxonomists go underground to look for answers. The film follows these scientists, armed with spades, GPS worm locators and battery-powered worm evacuators. They are each on the prowl for a supreme worm that could change the world forever.