A young woman named Deseray Underwood has been found dead in her London lodgings by her finance Samuel Mortimer. The body itself shows no signs of a struggle. Lestrade baffled by the cause of death summons the aid of Sherlock Holmes and his great powers of deduction. Holmes stumbles upon one single clue a crystal blue bottle which sends him and Watson on a wild chase through the streets of London in pursuit of answers to this young womans sudden demise. A death that would make any benefactor ver