The Story begins with Sherlock addressing his need for some case to keep his brain working, without which he is a drug addict. Soon at their door arrives Miss Marry Morstan with a charming attire, which seduces Watson somewhat. Marry explains her case to Sherlock which is about her father, Captain Morstan who was deployed in India ten years ago. Morstan came back to London and called upon for Marry, but when she arrived at his lodge, Morstan had gone missing. She tried to search for him everywhere, also contacting his only acquaintance in town- Captain Sholto who was deployed in India along with him. Sholto declined any knowledge of Morstan's missing. Four years later, Mary saw an advertisement in the newspaper with someone looking for her address. Marry gave her address after which she started receiving a very expensive pearl, each year on the same day. The sender being unknown never contacted Mary in the past six years when until now he had sent a letter for a meetup, where the ...