A bachelor party becomes a savage fight for survival when the groomsmen unwittingly unleash a fabled predator upon the festivities.。为了重燃婚姻的爱火,一对夫妻踏上一段徒步之旅,然而却在无情的荒野中遭遇无名枪手。为了生存,他们拼命奔逃。。