Ben and Jessa are getting divorced after twenty years. They have settled upon everything except their first house in the country. Deciding to sell it and split the profits, Ben and Jessa go back one last time.
A party bus en route to Burning Man breaks down in the middle of a literal hell -- stranded in the desert among a satanic cult. A massacre leaves survivors trapped on the bus, fighting for their lives and panicked that someone is not what they seem.