A study in scarlet ; and, The sign of four
(Book)

Discharged from the military after suffering severe wounds, Dr. Watson unsuccessfully searches for accommodation until a chance encounter leads him to Sherlock Holmes, and 221 B Baker Street. Holmes is a master chemist, a talented musician and an expert on the universal aspects of crime. He reveals to Watson that he is a consulting detective and soon draws Watson into his investigation of a bizarre murder. A new partnership begins unbeknownst to Watson as they start with an unmarked corpse, a wedding ring and a mysterious message scrawled in blood are the clues to a man driven to fulfill a terrible oath sworn more than twenty years before.

Sign of four: A beautiful young woman seeks the help of Holmes and Watson when the mysterious benefactor who has been sending her a pearl each year since her father disappeared wants to meet her. Involved are a priceless hoard of Indian treasure and a murderer. whose trademark is "the sign of four.