The Sign Of The Four - Arthur Conan Doyle

The Sign of the Four is a novel by Arthur Conan Doyle, first published in 1890. It is the second full-length adventure featuring the famous detective Sherlock Holmes and his loyal companion, Dr. John Watson.

The story begins when a young woman named Mary Morstan seeks Holmes's help after receiving a series of mysterious pearls and a letter that promises to reveal the truth about her missing father. Holmes and Watson take on the case, which leads them into a complex web of intrigue involving a hidden treasure, a secret pact among four convicts, and a dramatic tale of betrayal and greed.