The Sign of the Four

In The Sign of the Four, the renowned detective Sherlock Holmes is approached by Mary Morstan, whose father disappeared under mysterious circumstances a decade earlier. Mary has been receiving valuable pearls annually from an unknown benefactor and is drawn into a web of hidden treasure and betrayal when the last pearl arrives with a troubling invitation. As Holmes investigates, he must navigate through danger, including a miniature poison-dart assassin, while Dr. Watson finds himself falling in love with Mary. This thrilling tale is presented in its original and unabridged format.