When the world stopped, all hopes rested on finding a vaccine. An unlikely team answered the call. Before Covid-19 was even given its name, a select group of scientists in Germany, assembled by married couple and decades-long research partners Ugur Sahin and Özlem Türeci, began building 20 potential vaccines. As the deadly disease spread from country to country, what followed was a desperate race against time to conduct rigorous tests and clinical trials, whilst navigating political interference and seeking the support of the pharmaceutical industry.