 After narrowly surviving an accident in which she nearly drowned, the wheelchair bound Penny Appleby returns home to live with her widowed step-mother Jane on the French Riviera. She begins to question her sanity after several times seeing her father s corpse around the house and its grounds, and enlists the help of the friendly chauffeur Bob while attending Doctor Gerrard acts in a suitably sinister manner. No one is who they seem in this tale of intrigue and suspense.