The brand new adventure from the author of The Devil and the Four, in which Sherlock Holmes and Henry Vernier uncover a tense family mystery. Sherlock Holmes acquires a new client when a beautiful young woman, Isabel Stone, faints on the steps of his Baker Street rooms. She has come to beg his assistance in reclaiming some priceless jewels kept from her by her tyrannical stepfather, Captain Grimbold Pratt...