description : killed by serial killer Duke Students Claire , the results he has been punished in hell . The film juggled , almost all Expand Claire perspective , showing how she was hunted down, hallucinations, life tortured . In fact, Claire has long been the Duke killed , the punishment of hell by the film are Duke , that he was converted to the role of Clare , was forced to experience uncertainty and unease before the victim was killed to be nervous the breaking of the kind of fear and panic of life , let him experience this feeling in the hell some penance for their crimes committed .