chunk: The following day Dr. Markway's wife Grace arrives at Hill House to warn her husband that a reporter has learned of Markway's investigation of Hill House. Markway is concerned when Grace announces that she plans to join the group for the duration of the investigation. She demands a bed in the nursery despite her husband's warning that it is likely the center of the disturbances. That night the group experiences loud banging and an unseen force attempting to force its way through the living room in which they are staying. The banging then proceeds to move its way up towards the nursery, where the sounds of it destroying the room are heard. This prompts Eleanor to run towards the source; however Grace is nowhere to be found. Her disappearance is then confirmed the following morning. Eleanor's mental instability worsens as she falls further under the spell of Hill House. She enters the library and climbs the dilapidated spiral staircase. Once she reaches the top, Grace appears