Anna and Caleb have been friends since kindergarten, but their beliefs have pushed them apart. Anna is president of the science club and focused on getting into the best college. Caleb is fascinated by the supernatural and stretches the truth to get more views on social media. When a purple mist emerges near Foggy Creek's sinkhole, people and animals start acting like zombies. Can Anna and Caleb put aside their differences to save Foggy Creek before it's too late?.