三对情侣在佐治亚州蓝岭一处僻静的度假小屋中隐居，平静的假期却迅速演变成一场噩梦般的折磨。一个神秘的杀手开始追捕他们。信任破碎，联盟瓦解，背叛潜伏在每个阴影中，最终导致惊心动魄、令人毛骨悚然的结局。

A former Hollywood stuntwoman who moonlights as a dirty PI finds herself transforming in an eerie way after she gets infected by a clients mysterious compound.