在美国西北部的森林深处，阿什莉和麦克斯被可能是大脚怪的可怕怪物跟踪。很快他们发现自己深陷一片奇怪的土地，美国土著神话和传说原来是真的。他们和几个讨厌的当地人为了活下去，就必须跟这个怪物打一场你死我活的绝望的战斗……A newly reunited young couples drive through the Pacific Northwest turns into a nightmare as they are forced to face nature, unsavory locals, and a monstrous creature, known to the Native Americans as Oh-Mah.
