The cast and crew of Tiffany McMillan's cooking show are stranded on a farm when a solar flare hits. Preppers, led by Bubba and Carol, have been monitoring the solar activity. Several stories unfold in the hours before the flare, Holly the perfectionist vegan, Briana the prepper girl, a home-school co-op group, and Skylar, the set designer for the Tiffany's show, are suddenly left in the dark