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A woman is sent to a mental institution after stabbing her classmate in attempt to conjure an evil spirit called, Mercy Black. Fifteen years later she's released, and must save her nephew, who has become obsessed with the phenomenon.
A woman is sent to a mental institution after stabbing her classmate in attempt to conjure an evil spirit called, Mercy Black. Fifteen years later she's released, and must save her nephew, who has become obsessed with the phenomenon.
