When Horace Carpetine, a photographer's apprentice, is outside sweeping, he meets an eerie black girl named Pegg, who needs a photograph for her mistress. She schedules an appointment and disappears into the damp, thick mist. When they arrive at the mistress's house, Mrs.Von Macht opens the door and strictly informs them that she needs a picture of herself in her house to put on her dead daughter's grave. The photographer and Horace accept and then once outside, Mr. Middleditch the photographer, has a fantastic idea. Mrs. Von Macht's daughter died of yellow fever, and Mrs.Von Macht wants the picture on her grave. Mr. Middleditch decides to put a hoax on Mrs. Von Macht, by secretly taking pictures of Eleanora, the dead daughter, and making her look like a ghost in the finished picture. Horace is finally allowed to take pictures, and when he is taking secret pictures of Eleanora, strange sights are happening in the Von Macht house, and the more pictures he takes, the more he sees Eleanora. Pegg has become friends with Horace and together they battle the demonic spirit of Eleanora before it's too late.