多年情侣蒂姆（戴夫·弗兰科 Dave Franco 饰）和米莉（爱丽森·布里 Alison Brie 饰）来到感情脆弱的关口，开始思考爱是……为了挽回渐淡的感情，决定抛开朋友和工作搬到陌生乡村展开全新二人世界。然而新生活未如理想，更卷入了当地一场超自然力量的恐怖漩涡。身体及意识渐渐变得不受控，当他们的心愈远，肉体却愈贴愈近，肌肤甚至开始无缝结合……电锯是否还给大家自由的唯一解救方法？但染血的爱又那...

It follows Lara as she seeks treatment from a congregation of zealots, where an exorcist will try to save her soul by making an innocent woman go through hell....