The Adventure of the Sussex Vampire

"The Adventure of the Sussex Vampire" is a Sherlock Holmes story in which Holmes investigates reports of a woman’s suspicious behavior and claims of her child being a vampire. The woman, Dr. Mary Fraser, is accused of killing her baby through supernatural means. Holmes uncovers that her actions were driven by fear and miscommunication, and that she believed her husband was a vampire, which caused her distress. Ultimately, Holmes explains that there is no supernatural element—just misunderstanding and emotional turmoil—resolving the case with logical reasoning and evidence.