 Yellowstone is a park, but it s also the deadliest volcano on Earth. Beneath it, a sleeping  dragon  is stirring. When an earthquake opens a crack for magma to seep through, other warning signs of an eruption start popping up, but they are ignored or dismissed as  minor . But when they learn an eruption will happen, panic breaks out through people of the USA and the world. This is a tale told from former Yellowstone scientists, who recall the final days before Yellowstone erupted, and everything changed forever.