One night, several deer hurl themselves unexpectedly against the electric fence of a farm. Seeing deep signs of biting on the animals’ bodies, the farm owners realise that a predator is roaming about the neighbouring woods. Having determined to hunt it down, the farmer and his family penetrate deep into the surrounding forest. They look with bewilderment at the dying environment ravaged by a mysterious evil force. As the sun slowly sinks away, howling resounds through the forest. The hunters have become prey...

阿加特（艾莉森·惠勒 Alison Wheeler 饰）、莉莉（菲莉皮娜·斯丹德尔 Philippine Stindel 饰）和特洛伊（玛戈·巴席恩 Margot Bancilhon 饰）是三位好友，彼此之间感情非常的坚实。此次，三人结伴前往巴西，她们共同的闺蜜卡地亚（凡妮莎·吉德 Vanessa Guide 饰）要在那里举办她期待已久的盛大婚礼。
三个女人抵达目的地，决定先去当地的夜店狂欢一把，哪知道在那里，莉莉险些遭到色狼的荼毒，在反抗之中，莉莉将对方推落了阳台，导致色狼直接摔死了，让三个女孩不敢相信的是，这个色狼，竟然是卡地亚的未婚夫，不仅如此，他的父亲是当地有钱有势的大佬。儿子死了，大佬势必追究到底。