i can only remember a few scenes, in which at the start of the film a young woman is found in the roots of an oak tree under an old house, she is found by students who take her back to the campus, but they are unaware that an old woman devil like creature is stalking the young lady to survive, because they are connected somehow. The end scene is the young woman dressed in a white night time gown being chased around the library on the campus by the creature, please help me find the name of the film!