Stuck at the Philadelphia airport by an incoming blizzard results, Mira hitches a ride to Pittsburgh with a group of college kids who were on her initial flight. As the trip begins she discovers that her fellow travelers aren't friends like she thought. They're strangers-- and every one of them seems to be hiding something dangerous. The roads go from slippery to terrifying. People's belongings disappear. Someone in the car is lying-- and may be sabotaging the trip. If Mira wants to make it home alive, she needs to uncover the truth about these total strangers. .