In the 1970s, a series of tragic events occurred in a mental hospital located in a remote mountain forest in Finland for many years. The doctors and nurses here colluded with each other to cruelly abuse and kill the mentally ill patients, and even made micro-8 movies to satisfy their perverted pleasure. After the incident, the hospital was abolished, and the whereabouts of those killing videos remained unknown. One day in 2009, a crew led by American director Stephen (Steve Porter) came to the local area, preparing to make a movie about the mental hospital killings. By chance, two sound engineers discovered a hidden room, which was exactly where a large number of killing videos were hidden. After watching these videos, Stephen's temperament changed drastically. He was determined to make an extremely realistic horror movie, and he did not hesitate to kill for this...