What information did Rolf Deutsch want for his one hundred thousand dollars? Why did he want this information and why was his son so opposed to the whole venture?

What was Lionel Barrett's driving reason for going to and staying at the Belasco house?

Why didn't Lionel believe Florence when she told him she wasn't behind the poltergeist behavior?

What was the nature of Lionel's Reversor and what did he hope to accomplish with it? Why didn't it work on Belasco?

What power did Belasco use to manipulate and eventually kill the guests who came to his home?

What surgery did Belasco have that became evident in the end, and why did he have it?

What was Belasco's underlying greatest weakness and his eventual undoing?

What secret did each guest discover through Belasco just before they died?

What was Belasco's entertainment? Why did he...