The Creeping Man: The Secret That Changed Everything/Sherlock Holmes

Sherlock Holmes "The Adventure of the Creeping Man" by Sir Arthur Conan Doyle is a science-fiction mystery where Sherlock Holmes investigates a respected professor's erratic, animalistic behavior. The professor is secretly injecting himself with an experimental rejuvenation serum from a langur monkey, causing him to behave like an ape and terrify his household