In this Sherlock Holmes adventure, the detective and his trusted companion, Dr. Watson, are called upon to solve a mysterious case involving a treasure, a one-legged man, and the British Empire. As they delve into the investigation, they encounter danger, intrigue, and a deadly plot that takes them from the River Thames to the depths of London. With their skills of deduction, they must uncover the truth before it's too late.

A detective and his partner are called to a remote English estate to investigate the mysterious death of a wealthy landowner. They uncover a supernatural curse and must solve the case before more lives are lost.