The Sign of the Four by Arthur Conan Doyle is a detective novel set in the late 19th century. It follows the renowned detective Sherlock Holmes and his faithful companion, Dr. John Watson, as they become embroiled in a complex case involving a missing treasure, the unexplained disappearance of a father, and a series of mysterious pearls sent to a young woman. The story masterfully combines elements of intrigue, adventure, and crime, highlighting Holmes's remarkable deductive skills.
The novel opens with Dr. Watson describing the peculiar habits of his friend Sherlock Holmes, particularly his use of cocaine to stimulate his mind. Watson’s concern for Holmes's health contrasts with the detective's relentless thirst for intellectual challenges. This sets the stage for the unfolding mystery, which soon takes a compelling turn with the arrival of Miss Mary Morstan. She presents her unusual case: her father has vanished, and every year she receives a gift of pearls from an anonymous source.
This introduction creates an atmosphere filled with suspense and mystery, drawing readers into the story. As the fates of the characters begin to intertwine, it becomes clear that their destinies are tied to a thrilling investigation full of unexpected twists.
