Sadie Katz

If you're going to cheat on your lover, don't get caught. And if you do get caught, you'd better hope your lover isn't secretly insane. Kevin learns the hard way not to get caught cheating on his lover, when his girlfriend Sadie discovers that he's having a scorching affair with her best friend. Now Sadie has planned a romantic weekend getaway for just the three of them, complete with terror, torture and twisted psychosexual games. The trap is set....

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.