A man's body turns up on a Barcelona beach with a message tattooed on his arm: "I was born to revolutionize hell". Detective Pepe Carvalho is put in charge of the case, taking him from the back streets of Barcelona to the Amsterdam canals, with no effect whatsoever on his peculiar investigation methods.

一对兄妹一起生活，维持着病态的亲密关系，暗示着彼此间有乱伦。不仅如此，这对兄妹还涉足其他更疯狂、令人作呕的事情，包括将活生生的小狗身上的肉割下来喂给自家的宠物狮子狗……