With the help of the famous detective and of your cousin Dr. Watson, you must solve two complex cases. One is set in the world of horse racing. The other will bring you to the Diogenes Club: a shady businessman has suddenly died in front of several shocked club members. Who killed him, and how, and why?

Readers must prove themselves innocent of the theft and assist Sherlock Holmes and Dr. Watson in finding the guilty party

Charles Augustus Milverton is found shot to death at his estate, Appledore Towers. Inspector Lestrade of Scotland Yard asks for your assistance in tracking down the murderer ... Why does Scotland Yard need help from an independent detective? Why isn't the legendary Sherlock Holmes already on the case?

The reader's decisions will determine whether new evidence can be found to solve the murder of Sir Terrence Milton and clear Dr. Watson's name.