Mona Bailey (Jane Adams) lives with her husband Ned (Peter Outerbridge) in the Clackson Arms, an old apartment building that is being taken over, apartment by apartment, by a mysterious developer called KM Inc. Mona is a hypochondriac, an able-bodied woman who rides a wheelchair, who treats the Physician's Desk Reference like a personal bible and who has not left the building in six months for fear of catching a disease. One day she backs her wheelchair into an electrical box and gets a shock, leaving her hearing strange voices and seeing bodies dropping out of windows...