A group of recent grads head out on a late night drive for grub, hoping to enjoy one final hangout before their paths diverge. Instead, they accidentally turn onto a never-ending, two-lane hellscape surrounded by untold horrors and cosmic forces beyond their understanding. Cramped together inside a Jeep Cherokee and with the miles stretching infinitely ahead, they face a choice...飞回雪橇队宿营地，此刻天都快亮了，外面寒风凛凛而此地却是不见一丝风，的确是宿营的好地方，昨晚很多没睡着觉的人现在可算补回来，直到楚翔和小丝到了营地才被值班的进化者发现，雪橇队长睡眼朦胧的跑出来迎接。……