Germán, an honest family man, sees how his whole world wobbles the night when, driving home, accidentally runs over two teenage girls. From that moment, Germán will have to do everything in his power to prevent his life from being destroyed forever.

电影围绕着被挂科的心理学学生弗朗西斯科·哈维尔·加拉尔达和他的心理学教授埃斯皮诺萨之间展开，这部新式西班牙恐怖片故事惊险有趣，并从心理学教授埃斯皮诺萨的角度对生活的真相和罪恶感进行了探讨。