The Sign of the Four

"The Sign of the Four" is a Sherlock Holmes novel that revolves around the detective solving a complex mystery involving stolen treasure, betrayal, and hidden identities. Holmes uncovers a secret message, a cipher, leading to a story of greed and revenge centered on a missing fortune. The title refers to a symbol that holds significance in the story’s clues and characters' motives. Overall, it’s an intricate detective narrative highlighting Holmes’s deductive skill and the interplay of trust and deception among the characters.