"Zoe Beck is an investigative journalist - or sh was, before turning to pop culture reporting in order to spend more time with her family, which is how she finds herself doing celebrity Q&As at a music festival. When some of the revelers fall ill, many point to food poisoning. But after the festival, as attendees scatter across the country, more people begin to get sick. Whatever it is, it's spreading fast, resisting all efforts to contain or cure...