This story tells how late one night Sir Charles Baskerville is attacked outside his castle in Dartmoor, England. Could it be the Hound of the Baskervilles, a legendary creature that haunts the nearby moor? Sherlock Holmes, the world's greatest detective, is on the case.
This story tells how scientist Dr Henry Jekyll believes every human has two minds, a good one and an evil one. He develops a potion to separate them from each other. Soon, his evil mind takes over, and Dr Jekyll becomes a hideous fiend known as Mr Hyde.