When they arrive, they see that he's actually alive, and he explains to them that his wife and Dr. Trent were having an affair, and they'd planned to trick Nora into murdering him so that they could get away with his money.
When they arrive, they see that he's actually alive, and he explains to them that his wife and Dr. Trent were having an affair, and that the "haunting" was just a joke planned by him with the help of the caretakers. He also tells them that they'd planned to trick Nora into murdering him so that they could get away with his money.