Mira needs to get home for the holidays. Badly. But when an incoming blizzard results in a canceled layover, it looks like Mira might get stuck at the Philadelphia airport indefinitely. And then Harper, Miras glamorous seatmate from her initial flight, comes to the rescue. Harper and her three friends are renting a car, and they can drop Mira off on the way home. But as their trip begins, Mira discovers her fellow travellers arent friends like she thought - theyre total strangers. And every one of them seems to be hiding something dangerous. Soon, Mira is in a panic. The roads have gone from...