The haunting film adaptation of Edgar Allan Poe's The Mystery of Marie Roget stars Maria Montez and Patric Knowles. A successful actress in the City of Light, Marie Roget (Montez), has a sinister dark side: she is plotting the death of her younger sister (Nell O'Day). When Marie goes missing and the maimed corpse of a young woman is discovered, amateur detective Dr. Paul Dupin (Knowles) works to track down the killer. Filled with suspense and intrigue, this gripping classic was inspired by a real-life unsolved murder.