Tom's and his family's vacation ended with a devastating EMP attack on the USA during his family's return flight from Hawaii to San Francisco. Surviving the plane crash only caused them to confront the chaos of the apocalypse head-on. Their fellow survivors were helpless and lacked the skills to survive. Tom, his sister, and their grandma endure the perilous trip from San Francisco to their ranch in Southern Oregon, using their prepper skills to keep them alive during the anarchy and chaos around them.