Brother and sister Han Rui (Matt Cohen) and Laura (Danielle Savre) witnessed the brutal murder of their parents when they were children. The two lonely brothers and sisters depended on each other for life and received psychiatric treatment continuously during their growth. His brother's condition began to improve significantly, and he was determined to go to another city to start a new life.
Timid Laura is admitted to a mental hospital alone, but her nightmare begins. At night, patients died one after another in a series of bizarre, terrifying deaths. It seems that the evil spirit that has plagued her and her brother for many years has finally emerged from the darkness and launched a ruthless hunt for it.
