How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable,must be the truth? When Sherlock Holmes is visited by a distressed young woman one dark and foggy night, he listens intently as she tells him about the disappearance of her father ten years before and how, four years after his death, she began to receive a large and beautiful pearl once a year every year. Now she has a letter from the person who sent her the pearls: they wish to meet h ...