Smallpox, the Black Death, Spanish Flu, AIDS, Zika. History has taught us that in the face of a new killer bacteria or virus, humankind is still vulnerable, despite the best efforts of modern medicine. Discover the true microbial threat facing the world today: a highly infectious airborne super-flu that could kill hundreds of millions of people within the space of just a few months. Meet people who are determined to survive the next global pandemic and the chaos that will ensue. Will their stockpiled supplies and survival skills be enough to ride out one of the most dangerous threats to our species?